/* ScummVM - Graphic Adventure Engine * * ScummVM is the legal property of its developers, whose names * are too numerous to list here. Please refer to the COPYRIGHT * file distributed with this source distribution. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * * $URL$ * $Id$ * */ #include "common/config-manager.h" #include "common/events.h" #include "common/system.h" #include "graphics/cursorman.h" #include "tucker/tucker.h" #include "tucker/graphics.h" namespace Tucker { TuckerEngine::TuckerEngine(OSystem *system, Common::Language language, uint32 flags) : Engine(system), _gameLang(language), _gameFlags(flags) { } TuckerEngine::~TuckerEngine() { } Common::Error TuckerEngine::init() { initGraphics(kScreenWidth, kScreenHeight, false); syncSoundSettings(); return Common::kNoError; } bool TuckerEngine::hasFeature(EngineFeature f) const { switch (f) { case kSupportsRTL: case kSupportsLoadingDuringRuntime: case kSupportsSavingDuringRuntime: return true; default: return false; } } Common::Error TuckerEngine::go() { handleIntroSequence(); if ((_gameFlags & kGameFlagDemo) == 0 && !shouldQuit()) { mainLoop(); } return Common::kNoError; } void TuckerEngine::syncSoundSettings() { _mixer->setVolumeForSoundType(Audio::Mixer::kSFXSoundType, ConfMan.getInt("sfx_volume")); _mixer->setVolumeForSoundType(Audio::Mixer::kSpeechSoundType, ConfMan.getInt("speech_volume")); _mixer->setVolumeForSoundType(Audio::Mixer::kMusicSoundType, ConfMan.getInt("music_volume")); } int TuckerEngine::getRandomNumber() { return _rnd.getRandomNumber(0x7FFF); } void TuckerEngine::allocateBuffers() { _locationBackgroundGfxBuf = (uint8 *)calloc(1, 640 * 200); _loadTempBuf = (uint8 *)calloc(1, 64010); _panelGfxBuf = (uint8 *)calloc(1, 64010); _itemsGfxBuf = (uint8 *)calloc(1, 19200); _charsetGfxBuf = (uint8 *)calloc(1, 22400); _cursorGfxBuf = (uint8 *)calloc(1, 256 * 7); _infoBarBuf = (uint8 *)calloc(1, 1000); _charNameBuf = 0; _bgTextBuf = 0; _objTxtBuf = 0; _panelObjectsGfxBuf = (uint8 *)calloc(1, 20000); _data5Buf = 0; _data3GfxBuf = (uint8 *)calloc(1, 250000); _quadBackgroundGfxBuf = (uint8 *)calloc(1, 320 * 140 * 4); _locationBackgroundMaskBuf = (uint8 *)calloc(1, 640 * 140); _csDataBuf = 0; _spritesGfxBuf = (uint8 *)calloc(1, 160000); _ptTextBuf = 0; memset(_charWidthTable, 0, sizeof(_charWidthTable)); } void TuckerEngine::freeBuffers() { free(_locationBackgroundGfxBuf); free(_loadTempBuf); free(_panelGfxBuf); free(_itemsGfxBuf); free(_charsetGfxBuf); free(_cursorGfxBuf); free(_infoBarBuf); free(_charNameBuf); free(_bgTextBuf); free(_objTxtBuf); free(_panelObjectsGfxBuf); free(_data5Buf); free(_data3GfxBuf); free(_quadBackgroundGfxBuf); free(_locationBackgroundMaskBuf); free(_csDataBuf); free(_spritesGfxBuf); free(_ptTextBuf); } void TuckerEngine::restart() { _quitGame = false; _fastMode = false; _syncCounter = 0; _lastFrameTime = _system->getMillis(); _mainLoopCounter1 = _mainLoopCounter2 = 0; _timerCounter1 = _timerCounter2 = 0; _partNum = _currentPartNum = 0; _locationNum = 0; _nextLocationNum = ConfMan.getInt("boot_param"); if (_nextLocationNum == 0) { _nextLocationNum = kStartupLocation; } _gamePaused = _gamePaused2 = false; _gameDebug = false; _displayGameHints = false; _displaySpeechText = (_gameFlags & kGameFlagNoSubtitles) == 0 ? ConfMan.getBool("subtitles") : false; memset(_flagsTable, 0, sizeof(_flagsTable)); _gameHintsIndex = 0; _gameHintsCounter = 0; _gameHintsDisplayText = 0; _gameHintsStringNum = 0; memset(_sprA02Table, 0, sizeof(_sprA02Table)); memset(_sprC02Table, 0, sizeof(_sprC02Table)); memset(_actionsTable, 0, sizeof(_actionsTable)); _actionsCount = 0; memset(_locationObjectsTable, 0, sizeof(_locationObjectsTable)); _locationObjectsCount = 0; memset(_spritesTable, 0, sizeof(_spritesTable)); _spritesCount = 0; memset(_locationAnimationsTable, 0, sizeof(_locationAnimationsTable)); _locationAnimationsCount = 0; memset(_dataTable, 0, sizeof(_dataTable)); _dataCount = 0; memset(_charPosTable, 0, sizeof(_charPosTable)); _charPosCount = 0; memset(_locationSoundsTable, 0, sizeof(_locationSoundsTable)); _locationSoundsCount = 0; memset(_locationMusicsTable, 0, sizeof(_locationMusicsTable)); _locationMusicsCount = 0; _mousePosX = _mousePosY = 0; _prevMousePosX = _prevMousePosY = 0; _mouseButtonsMask = 0; _mouseClick = 0; _saveOrLoadGamePanel = 0; _mouseIdleCounter = 0; _leftMouseButtonPressed = _rightMouseButtonPressed = false; _lastKeyPressed = 0; memset(_inputKeys, 0, sizeof(_inputKeys)); _cursorNum = 0; _cursorType = 0; _updateCursorFlag = 0; _panelNum = 1; _panelState = 0; _forceRedrawPanelItems = 1; _redrawPanelItemsCounter = 0; _switchPanelFlag = 0; memset(_panelObjectsOffsetTable, 0, sizeof(_panelObjectsOffsetTable)); _switchPanelCounter = 0; _conversationOptionsCount = 0; _fadedPanel = false; _panelLockedFlag = 0; _panelItemWidth = 0; memset(_inventoryItemsState, 0, sizeof(_inventoryItemsState)); memset(_inventoryObjectsList, 0, sizeof(_inventoryObjectsList)); _inventoryObjectsOffset = 0; _inventoryObjectsCount = 0; _lastInventoryObjectIndex = 0; _currentFxSet = 0; _currentFxDist = 0; _currentFxScale = 0; _currentFxVolume = 0; _currentFxIndex = 0; _speechSoundNum = 0; _speechVolume = kMaxSoundVolume; memset(_soundsMapTable, 0, sizeof(_soundsMapTable)); memset(_speechHistoryTable, 0, sizeof(_speechHistoryTable)); for (int i = 0; i < kMaxCharacters; ++i) { _charSpeechSoundVolumeTable[i] = kMaxSoundVolume; } _charSpeechSoundCounter = 0; memset(_miscSoundFxDelayCounter, 0, sizeof(_miscSoundFxDelayCounter)); _characterSoundFxDelayCounter = 0; _characterSoundFxNum = 0; _speechSoundBaseNum = 0; _pendingActionIndex = 0; _pendingActionDelay = 0; _charPositionFlagNum = 0; _charPositionFlagValue = 0; _actionVerb = kVerbWalk; _nextAction = 0; _selectedObjectNum = 0; _selectedObjectType = 0; _selectedCharacterNum = 0; _actionObj1Type = _actionObj2Type = 0; _actionObj1Num = _actionObj2Num = 0; _actionRequiresTwoObjects = 0; _skipPanelObjectUnderCursor = 0; _actionPosX = 0; _actionPosY = 0; _selectedObjectLocationMask = 0; memset(&_selectedObject, 0, sizeof(_selectedObject)); _selectedCharacterDirection = 0; _selectedCharacter2Num = 0; _currentActionObj1Num = _currentActionObj2Num = 0; _currentInfoString1SourceType = _currentInfoString2SourceType = 0; memset(_speechActionCounterTable, 0, sizeof(_speechActionCounterTable)); _actionCharacterNum = 0; _csDataLoaded = false; _csDataHandled = 0; _stopActionOnSoundFlag = 0; _csDataTableFlag2 = 0; _stopActionOnPanelLock = 0; _csDataTableCount = 0; _stopActionCounter = 0; _actionTextColor = 0; _nextTableToLoadIndex = 0; memset(_nextTableToLoadTable, 0, sizeof(_nextTableToLoadTable)); _soundInstructionIndex = 0; _tableInstructionsPtr = 0; memset(_tableInstructionObj1Table, 0, sizeof(_tableInstructionObj1Table)); memset(_tableInstructionObj2Table, 0, sizeof(_tableInstructionObj2Table)); _tableInstructionFlag = 0; _tableInstructionItemNum1 = _tableInstructionItemNum2 = 0; memset(_instructionsActionsTable, 0, sizeof(_instructionsActionsTable)); _validInstructionId = 0; memset(_spriteFramesTable, 0, sizeof(_spriteFramesTable)); memset(_spriteAnimationsTable, 0, sizeof(_spriteAnimationsTable)); memset(_spriteAnimationFramesTable, 0, sizeof(_spriteAnimationFramesTable)); _spriteAnimationFrameIndex = 0; _backgroundSpriteCurrentFrame = 0; _backgroundSpriteLastFrame = 0; _backgroundSpriteCurrentAnimation = -1; _disableCharactersPath = false; _skipCurrentCharacterDraw = false; _yPosCurrent = 131; _xPosCurrent = 160; _characterSpeechDataPtr = 0; _ptTextOffset = 0; memset(_ctable01Table_sprite, 0, sizeof(_ctable01Table_sprite)); memset(_characterAnimationsTable, 0, sizeof(_characterAnimationsTable)); memset(_characterStateTable, 0, sizeof(_characterStateTable)); _backgroundSprOffset = 0; _updateCharPositionNewType = 0; _updateCharPositionType = 0; _mainSpritesBaseOffset = 0; _currentSpriteAnimationLength = 0; _currentSpriteAnimationFrame = 0; _currentSpriteAnimationFrame2 = 0; _characterAnimationIndex = -1; _characterFacingDirection = _characterPrevFacingDirection = 0; _characterBackFrontFacing = _characterPrevBackFrontFacing = 0; _characterAnimationNum = 0; _noCharacterAnimationChange = 0; _changeBackgroundSprite = 0; _characterSpriteAnimationFrameCounter = 0; _locationMaskIgnore = 0; _locationMaskType = 0; _locationMaskCounter = 0; _updateSpriteFlag1 = 0; _updateSpriteFlag2 = 0; _handleMapCounter = 0; _noPositionChangeAfterMap = false; _mirroredDrawing = 0; _loadLocBufPtr = 0; _backgroundSpriteDataPtr = 0; _locationHeight = 0; _scrollOffset = 0; _currentGfxBackgroundCounter = 0; _currentGfxBackground = 0; _fadePaletteCounter = 0; memset(&_currentPalette, 0, sizeof(_currentPalette)); _fullRedrawCounter = 0; _dirtyRectsPrevCount = _dirtyRectsCount = 0; _updateLocationFadePaletteCounter = 0; _updateLocationCounter = 10; _updateLocationPos = 0; for (int i = 0; i < 5; ++i) { _updateLocationXPosTable[i] = 160; _updateLocationYPosTable[i] = 131; } memset(_updateLocationFlagsTable, 0, sizeof(_updateLocationFlagsTable)); memset(_updateLocationXPosTable2, 0, sizeof(_updateLocationXPosTable2)); memset(_updateLocationYPosTable2, 0, sizeof(_updateLocationYPosTable2)); memset(_updateLocationYMaxTable, 0, sizeof(_updateLocationYMaxTable)); memset(_updateLocation14Step, 0, sizeof(_updateLocation14Step)); memset(_updateLocation14ObjNum, 0, sizeof(_updateLocation14ObjNum)); memset(_updateLocation14Delay, 0, sizeof(_updateLocation14Delay)); _updateLocationCounter2 = 0; _updateLocationFlag = 0; _updateLocation70StringLen = 0; memset(_updateLocation70String, 0, sizeof(_updateLocation70String)); } void TuckerEngine::mainLoop() { allocateBuffers(); restart(); openCompressedSoundFile(); loadCharSizeDta(); loadCharset(); loadPanel(); loadFile("infobar.txt", _infoBarBuf); _data5Buf = loadFile("data5.c", 0); _bgTextBuf = loadFile("bgtext.c", 0); _charNameBuf = loadFile("charname.c", 0); _csDataBuf = loadFile("csdata.c", 0); _csDataSize = _fileLoadSize; _currentSaveLoadGameState = 1; loadBudSpr(0); loadCursor(); setCursorNum(_cursorNum); setCursorType(_cursorType); _flagsTable[219] = 1; _flagsTable[105] = 1; _spriteAnimationFrameIndex = _spriteAnimationsTable[14].firstFrameIndex; do { ++_syncCounter; if (_flagsTable[137] != _flagsTable[138]) { loadBudSpr(0); _flagsTable[138] = _flagsTable[137]; } if (_syncCounter >= 2) { _syncCounter = 0; waitForTimer(2); } updateMouseState(); if (_fadePaletteCounter < 16) { if (_fadePaletteCounter > 1) { fadeOutPalette(); } ++_fadePaletteCounter; } if (_fadePaletteCounter > 19 && _fadePaletteCounter < 34) { fadeInPalette(); ++_fadePaletteCounter; } if (_nextAction != 0) { loadActionsTable(); } if (_nextLocationNum > 0) { setupNewLocation(); } updateCharPosition(); if (_cursorType == 0) { updateCursor(); } else if (_panelState == 2) { handleMouseOnPanel(); } if (_mainLoopCounter2 == 0) { updateFlagsForCharPosition(); } if (_syncCounter == 0 || !_disableCharactersPath) { updateCharactersPath(); } if (_mainLoopCounter2 == 0) { updateCharacterAnimation(); if (_backgroundSpriteCurrentAnimation == -1) { _flagsTable[207] = 0; if (_flagsTable[220] > 0) { _flagsTable[_flagsTable[220]] = _flagsTable[221]; _flagsTable[220] = 0; } if (_flagsTable[158] == 1) { _flagsTable[158] = 0; _skipCurrentCharacterDraw = 1; } _mainLoopCounter1 = 0; } } if (_mainLoopCounter1 == 0) { updateSprites(); updateData3(); updateSfxData3_1(); } ++_mainLoopCounter2; handleMap(); updateScreenScrolling(); if (_mainLoopCounter2 > 4) { _mainLoopCounter2 = 0; updateSfxData3_2(); } ++_mainLoopCounter1; if (_mainLoopCounter1 > 5) { _mainLoopCounter1 = 0; } if (_locationHeight == 140) { switchPanelType(); redrawPanelItems(); if (_displayGameHints && _gameHintsIndex < 6) { updateGameHints(); } if (_panelState == 0) { if (_panelLockedFlag == 1 || _pendingActionDelay > 0) { if (!_fadedPanel) { updateItemsGfxColors(0x60, 0x80); _fadedPanel = true; } } else { _fadedPanel = false; clearItemsGfx(); if (_gamePaused) { drawPausedInfoBar(); } else if (_gameHintsDisplayText == 1 && _mouseIdleCounter > 1000) { drawGameHintString(); } else { drawInfoString(); } } } } _mainSpritesBaseOffset = 0; if (_locationWidthTable[_locationNum] > 3) { ++_currentGfxBackgroundCounter; if (_currentGfxBackgroundCounter > 39) { _currentGfxBackgroundCounter = 0; } _currentGfxBackground = _quadBackgroundGfxBuf + (_currentGfxBackgroundCounter / 10) * 44800; if (_fadePaletteCounter < 34 && _locationNum == 22) { _spritesTable[0].gfxBackgroundOffset = (_currentGfxBackgroundCounter / 10) * 640; _mainSpritesBaseOffset = _currentGfxBackgroundCounter / 10; if (_locationNum == 22 && _currentGfxBackgroundCounter <= 29) { _spritesTable[0].gfxBackgroundOffset = 640; _mainSpritesBaseOffset = 1; } } } else { _currentGfxBackground = _quadBackgroundGfxBuf; } if (_syncCounter != 0) { continue; } if (_scrollOffset < 320) { Graphics::copyRect(_locationBackgroundGfxBuf + _scrollOffset, 640, _currentGfxBackground + _scrollOffset, 320, 320 - _scrollOffset, _locationHeight); } if (_scrollOffset > 0) { Graphics::copyRect(_locationBackgroundGfxBuf + 320, 640, _currentGfxBackground + 44800, 320, _scrollOffset, _locationHeight); } drawData3(); execData3PreUpdate(); for (int i = 0; i < _spritesCount; ++i) { if (!_spritesTable[i].disabled) { drawSprite(i); } } if (_skipCurrentCharacterDraw != 1) { if (_backgroundSpriteCurrentAnimation > -1 && _backgroundSpriteCurrentFrame > 0) { drawBackgroundSprites(); } else { drawCurrentSprite(); } } if (_locationHeight == 140) { redrawPanelOverBackground(); } if (_panelState == 3) { saveOrLoad(); } execData3PostUpdate(); if (_timerCounter2 > 45) { _timerCounter2 = 0; } updateSoundsTypes3_4(); if (_currentFxSet != 0) { setSoundVolumeDistance(); } updateCharSpeechSound(); redrawScreen(_scrollOffset); startCharacterSounds(); for (int num = 0; num < 2; ++num) { if (_miscSoundFxDelayCounter[num] > 0) { --_miscSoundFxDelayCounter[num]; if (_miscSoundFxDelayCounter[num] == 0) { const int index = _soundsMapTable[num]; startSound(_locationSoundsTable[index].offset, index, _locationSoundsTable[index].volume); } } } if (_gamePaused && _charSpeechSoundCounter == 0) { stopSounds(); _gamePaused2 = true; while (1) { waitForTimer(1); if (_inputKeys[kInputKeyPause]) { _inputKeys[kInputKeyPause] = false; if (_charSpeechSoundCounter <= 0) { break; } } if (_charSpeechSoundCounter == 0) { if (_lastKeyPressed >= Common::KEYCODE_1 && _lastKeyPressed <= Common::KEYCODE_5) { if (_speechHistoryTable[_lastKeyPressed - Common::KEYCODE_1] > 0) { startSpeechSound(_speechHistoryTable[_lastKeyPressed - Common::KEYCODE_1], 100); _charSpeechSoundCounter = kDefaultCharSpeechSoundCounter; } _lastKeyPressed = 0; } } updateCharSpeechSound(); } playSounds(); _gamePaused = _gamePaused2 = false; } if (_inputKeys[kInputKeyPause]) { _inputKeys[kInputKeyPause] = false; if (_locationNum != 70) { _gamePaused = true; } } if (_inputKeys[kInputKeyToggleTextSpeech]) { _inputKeys[kInputKeyToggleTextSpeech] = false; if ((_gameFlags & kGameFlagNoSubtitles) == 0) { if (_displaySpeechText) { _displaySpeechText = false; // kDefaultCharSpeechSoundCounter = 1; } else { _displaySpeechText = true; // kDefaultCharSpeechSoundCounter = 70; } ConfMan.setBool("subtitles", _displaySpeechText); } } if (_inputKeys[kInputKeyHelp]) { _inputKeys[kInputKeyHelp] = false; if (_displayGameHints && _gameHintsDisplayText == 1) { _gameHintsStringNum = _gameHintsIndex + 1; _mouseIdleCounter = 1100; } } if (_inputKeys[kInputKeyEscape]) { _inputKeys[kInputKeyEscape] = false; if (_gameDebug) { _flagsTable[236] = 74; } } if (_flagsTable[236] > 70) { handleCreditsSequence(); _quitGame = true; } } while (!_quitGame && _flagsTable[100] == 0); if (_flagsTable[100] == 1) { handleCongratulationsSequence(); } closeCompressedSoundFile(); unloadSprA02_01(); unloadSprC02_01(); freeBuffers(); } void TuckerEngine::waitForTimer(int ticksCount) { uint32 end = _lastFrameTime + ticksCount * 1000 / 46; do { ++_timerCounter1; parseEvents(); _system->delayMillis(10); _lastFrameTime = _system->getMillis(); } while (!_fastMode && _lastFrameTime < end); _timerCounter2 += ticksCount; _timerCounter1 = 0; } void TuckerEngine::parseEvents() { Common::Event ev; while (_eventMan->pollEvent(ev)) { switch (ev.type) { case Common::EVENT_KEYDOWN: switch (ev.kbd.keycode) { case Common::KEYCODE_f: if (ev.kbd.flags == Common::KBD_CTRL) { _fastMode = !_fastMode; } break; case Common::KEYCODE_p: _inputKeys[kInputKeyPause] = true; break; case Common::KEYCODE_F1: _inputKeys[kInputKeyToggleInventory] = true; break; case Common::KEYCODE_F2: _inputKeys[kInputKeyToggleTextSpeech] = true; break; case Common::KEYCODE_F3: _inputKeys[kInputKeyHelp] = true; break; case Common::KEYCODE_ESCAPE: _inputKeys[kInputKeyEscape] = true; break; default: break; } _lastKeyPressed = ev.kbd.keycode; break; case Common::EVENT_MOUSEMOVE: updateCursorPos(ev.mouse.x, ev.mouse.y); break; case Common::EVENT_LBUTTONDOWN: updateCursorPos(ev.mouse.x, ev.mouse.y); _mouseButtonsMask |= 1; break; case Common::EVENT_LBUTTONUP: updateCursorPos(ev.mouse.x, ev.mouse.y); break; case Common::EVENT_RBUTTONDOWN: updateCursorPos(ev.mouse.x, ev.mouse.y); _mouseButtonsMask |= 2; break; case Common::EVENT_RBUTTONUP: updateCursorPos(ev.mouse.x, ev.mouse.y); break; default: break; } } _quitGame = shouldQuit(); } void TuckerEngine::updateCursorPos(int x, int y) { _prevMousePosX = _mousePosX; _prevMousePosY = _mousePosY; _mousePosX = x; _mousePosY = y; } void TuckerEngine::setCursorNum(int num) { _cursorNum = num; const int cursorW = 16; const int cursorH = 16; CursorMan.replaceCursor(_cursorGfxBuf + _cursorNum * 256, cursorW, cursorH, 1, 1, 0); } void TuckerEngine::setCursorType(int type) { _cursorType = type; CursorMan.showMouse(_cursorType < 2); } void TuckerEngine::setupNewLocation() { debug(2, "setupNewLocation() current %d next %d", _locationNum, _nextLocationNum); _locationNum = _nextLocationNum; loadObj(); _switchPanelFlag = 0; _nextLocationNum = 0; _fadePaletteCounter = 0; _mainLoopCounter2 = 0; _mainLoopCounter1 = 0; _characterFacingDirection = 0;; _skipPanelObjectUnderCursor = 0; _locationMaskIgnore = 0; _backgroundSprOffset = 0; if (_backgroundSpriteCurrentAnimation > 0 && _backgroundSpriteCurrentFrame > 0) { _backgroundSpriteCurrentAnimation = -1; _backgroundSpriteCurrentFrame = 0; } if (_panelLockedFlag == 0 || (_backgroundSpriteCurrentAnimation > 0 && _locationNum != 25)) { _locationMaskType = 0; } else { _locationMaskType = 3; } while (_spriteAnimationFramesTable[_spriteAnimationFrameIndex] != 999) { ++_spriteAnimationFrameIndex; } _execData3Counter = 0; stopSounds(); loadLoc(); loadData4(); loadData3(); loadActionFile(); loadCharPos(); loadSprA02_01(); loadSprC02_01(); loadFx(); playSounds(); if (_flagsTable[215] > 0) { handleMeanwhileSequence(); _flagsTable[215] = 0; } if (_flagsTable[231] > 0) { handleMeanwhileSequence(); _flagsTable[231] = 0; } } void TuckerEngine::copyLocBitmap(const char *filename, int offset, bool isMask) { int type = !isMask ? 1 : 0; if (offset > 0 && _locationNum == 16) { type = 0; } loadImage(filename, _loadTempBuf, type); uint8 *dst = isMask ? _locationBackgroundMaskBuf : _locationBackgroundGfxBuf; dst += offset; const uint8 *src = _loadTempBuf; for (int y = 0; y < _locationHeight; ++y) { memcpy(dst, src, 320); src += 320; dst += 640; } } void TuckerEngine::updateMouseState() { if (_cursorType < 2) { _leftMouseButtonPressed = (_mouseButtonsMask & 1) != 0; if (_leftMouseButtonPressed) { _mouseIdleCounter = 0; _gameHintsStringNum = 0; } _rightMouseButtonPressed = (_mouseButtonsMask & 2) != 0; _mouseButtonsMask = 0; if (_prevMousePosX == _mousePosX && _prevMousePosY == _mousePosY) { ++_mouseIdleCounter; } else { _mouseIdleCounter = 0; _gameHintsStringNum = 0; } } if (_cursorType == 1) { if (_panelState == 1) { setCursorNum(1); } if (_mousePosY < 140) { _mousePosY = 140; } } } void TuckerEngine::updateCharPositionHelper() { setCursorType(2); _charSpeechSoundCounter = kDefaultCharSpeechSoundCounter; _updateCharPositionNewType = 0; startSpeechSound(_speechSoundNum, _speechVolume); int pos = getPositionForLine(_speechSoundNum, _characterSpeechDataPtr); _characterSpeechDataPtr += pos; _speechSoundNum = 0; } void TuckerEngine::updateCharPosition() { if (_updateCharPositionNewType == 0 || _locationMaskCounter == 0) { return; } if (_updateCharPositionNewType == 1 && _locationNum != 18) { int pos; _actionPosX = _xPosCurrent; _actionPosY = _yPosCurrent - 64; _actionTextColor = 1; _actionCharacterNum = 99; switch (_currentInfoString1SourceType) { case 0: if (_currentActionObj1Num == 0) { return; } if (_currentActionObj1Num == 259) { handleSpecialObjectSelectionSequence(); _updateCharPositionNewType = 0; return; } _speechSoundNum = _currentActionObj1Num; _characterSpeechDataPtr = _ptTextBuf; pos = getPositionForLine(_speechSoundNum + 1865, _characterSpeechDataPtr); if (_characterSpeechDataPtr[pos] == '*') { switch (_characterSpeechDataPtr[pos + 1]) { case 'E': ++_flagsTable[200]; if (_flagsTable[200] > 6) { _flagsTable[200] = 1; } _speechSoundNum = 262 + _flagsTable[200]; break; case 'M': ++_flagsTable[200]; if (_flagsTable[200] > 10) { _flagsTable[200] = 1; } _speechSoundNum = 268 + _flagsTable[200]; break; case 'R': ++_flagsTable[200]; if (_flagsTable[200] > 10) { _flagsTable[200] = 1; } _speechSoundNum = 281 + _flagsTable[200]; break; } } _speechSoundNum += 1865; updateCharPositionHelper(); return; case 1: if (_locationAnimationsTable[_selectedCharacter2Num].getFlag == 1) { _speechSoundNum = _speechSoundBaseNum + _locationAnimationsTable[_selectedCharacter2Num].inventoryNum; _characterSpeechDataPtr = _ptTextBuf; updateCharPositionHelper(); return; } else if (_currentActionObj1Num == 91) { handleSpecialObjectSelectionSequence(); _updateCharPositionNewType = 0; return; } break; case 2: _characterSpeechDataPtr = _ptTextBuf; _speechSoundNum = 2175 + _charPosTable[_selectedCharacterNum].description; if (_charPosTable[_selectedCharacterNum].description != 0) { updateCharPositionHelper(); return; } break; } } int actionKey = _currentActionObj2Num * 1000000 + _currentInfoString2SourceType * 100000 + _updateCharPositionNewType * 10000 + _currentInfoString1SourceType * 1000 + _currentActionObj1Num; int skip = 0; Action *action = 0; for (int i = 0; i < _actionsCount && skip == 0; ) { action = &_actionsTable[i]; if (action->key == actionKey) { skip = 1; if (action->testFlag1Num != 0) { if (action->testFlag1Num < 500) { if (_flagsTable[action->testFlag1Num] != action->testFlag1Value) { skip = 0; } } else if (_inventoryItemsState[action->testFlag1Num - 500] != action->testFlag1Value) { skip = 0; } } if (action->testFlag2Num != 0) { if (action->testFlag2Num < 500) { if (_flagsTable[action->testFlag2Num] != action->testFlag2Value) { skip = 0; } } else if (_inventoryItemsState[action->testFlag2Num - 500] != action->testFlag2Value) { skip = 0; } } } if (skip == 0) { ++i; } } if (skip == 0) { playSpeechForAction(_updateCharPositionNewType); _updateCharPositionNewType = 0; return; } assert(action); if (action->speech != 6) { if (action->speech < 100) { _spriteAnimationFrameIndex = _spriteAnimationsTable[action->speech].firstFrameIndex; _currentSpriteAnimationLength = _spriteAnimationsTable[action->speech].numParts; _mirroredDrawing = action->flipX; _characterFacingDirection = 5; _mainLoopCounter2 = 0; } else { _backgroundSpriteCurrentAnimation = action->speech - 100; _backgroundSpriteCurrentFrame = 0; _mirroredDrawing = 0; } } _pendingActionDelay = action->delay; _charPositionFlagNum = action->setFlagNum; _charPositionFlagValue = action->setFlagValue; _pendingActionIndex = action->index; _characterSoundFxDelayCounter = action->fxDelay; _characterSoundFxNum = action->fxNum; _updateCharPositionType = _updateCharPositionNewType; _updateCharPositionNewType = 0; } void TuckerEngine::updateFlagsForCharPosition() { if (_pendingActionDelay != 0) { --_pendingActionDelay; if (_pendingActionDelay > 0) { return; } if (_updateCharPositionType == 3 || _updateCharPositionType == 4 || _updateCharPositionType == 8 || _updateCharPositionType == 2) { _flagsTable[_charPositionFlagNum] = _charPositionFlagValue; } else if (_updateCharPositionType == 6 && _charPositionFlagValue == 1) { addObjectToInventory(_charPositionFlagNum); _forceRedrawPanelItems = 1; } if (_pendingActionIndex > 0) { _nextAction = _pendingActionIndex; } } } void TuckerEngine::fadeOutPalette(int colorsCount) { uint8 pal[256 * 4]; _system->grabPalette(pal, 0, colorsCount); for (int color = 0; color < colorsCount; ++color) { for (int i = 0; i < 3; ++i) { const int c = int(pal[color * 4 + i]) + kFadePaletteStep * 4; pal[color * 4 + i] = MIN<int>(c, _currentPalette[color * 3 + i]); } } _system->setPalette(pal, 0, colorsCount); _system->updateScreen(); waitForTimer(1); } void TuckerEngine::fadeInPalette(int colorsCount) { uint8 pal[256 * 4]; _system->grabPalette(pal, 0, colorsCount); for (int color = 0; color < colorsCount; ++color) { for (int i = 0; i < 3; ++i) { const int c = int(pal[color * 4 + i]) - kFadePaletteStep * 4; pal[color * 4 + i] = MAX<int>(c, 0); } } _system->setPalette(pal, 0, colorsCount); _system->updateScreen(); waitForTimer(1); } void TuckerEngine::fadePaletteColor(int color, int step) { uint8 rgb[4]; _system->grabPalette(rgb, color, 1); for (int i = 0; i < 3; ++i) { const int c = _currentPalette[color * 3 + i] + step * 4; rgb[i] = MIN(c, 255); } _system->setPalette(rgb, color, 1); } void TuckerEngine::setBlackPalette() { uint8 pal[256 * 4]; memset(pal, 0, sizeof(pal)); _system->setPalette(pal, 0, 256); } void TuckerEngine::updateCursor() { setCursorNum(0); if (_backgroundSpriteCurrentAnimation == -1 && _panelLockedFlag == 0 && _selectedObject.locationObject_locationNum > 0) { _selectedObject.locationObject_locationNum = 0; } if (_locationMaskType > 0 || _selectedObject.locationObject_locationNum > 0 || _pendingActionDelay > 0) { return; } if (_rightMouseButtonPressed) { if (_updateCursorFlag == 0) { ++_actionVerb; if (_actionVerb > 8) { _actionVerb = 0; } _updateCursorFlag = 1; _skipPanelObjectUnderCursor = 1; _actionRequiresTwoObjects = false; } } else { _updateCursorFlag = 0; } if (_skipPanelObjectUnderCursor == 0) { setActionVerbUnderCursor(); if (_actionVerb == 0 && _locationNum == 63) { _actionVerb = 8; } } _selectedObjectNum = 0; _selectedObjectType = 0; int num = setCharacterUnderCursor(); if (_selectedObjectType == 0) { num = setLocationAnimationUnderCursor(); } if (_selectedObjectType > 0) { _selectedObjectNum = num; } else { num = getObjectUnderCursor(); if (num > -1) { _selectedObjectNum = _locationObjectsTable[num].textNum; } } handleMouseClickOnInventoryObject(); if (_actionVerb == 2 && _selectedObjectType != 2) { _selectedObjectNum = 0; _selectedObjectType = 0; } else if (_actionVerb == 5 && _selectedObjectType != 3 && !_actionRequiresTwoObjects) { _selectedObjectNum = 0; _selectedObjectType = 0; } if (_skipPanelObjectUnderCursor == 0 && _selectedObjectType == 2 && _selectedObjectNum != 21) { _actionVerb = 2; } if (!_actionRequiresTwoObjects) { _actionObj1Num = _selectedObjectNum; _actionObj1Type = _selectedObjectType; _actionObj2Num = 0; _actionObj2Type = 0; } else if (_actionObj1Num == _selectedObjectNum && _actionObj1Type == _selectedObjectType) { _selectedObjectNum = 0; _selectedObjectType = 0; _actionObj2Num = 0; _actionObj2Type = 0; } else { _actionObj2Num = _selectedObjectNum; _actionObj2Type = _selectedObjectType; } if (!_leftMouseButtonPressed) { _mouseClick = 0; } if (_leftMouseButtonPressed && _mouseClick == 0) { _fadedPanel = 0; _mouseClick = 1; clearItemsGfx(); drawInfoString(); if (_mousePosY >= 150 && _mousePosX < 212) { if (_mousePosX < 200) { setActionVerbUnderCursor(); _skipPanelObjectUnderCursor = 1; _actionRequiresTwoObjects = false; } else if (_mousePosY < 175) { moveDownInventoryObjects(); } else { moveUpInventoryObjects(); } } else { if (_selectedObjectType == 3) { setActionForInventoryObject(); } else if (_actionVerb != 0) { _skipPanelObjectUnderCursor = 0; setActionState(); } else if (_actionObj1Num == 261 || (_actionObj1Num == 205 && _flagsTable[143] == 0)) { _skipPanelObjectUnderCursor = 0; setActionState(); } else { _skipPanelObjectUnderCursor = 0; _actionRequiresTwoObjects = false; _updateCharPositionNewType = 0; setSelectedObjectKey(); } } } } void TuckerEngine::stopSounds() { for (int i = 0; i < _locationSoundsCount; ++i) { stopSound(i); } for (int i = 0; i < _locationMusicsCount; ++i) { stopMusic(i); } } void TuckerEngine::playSounds() { for (int i = 0; i < 29; ++i) { if (i < _locationSoundsCount) { if (_locationSoundsTable[i].type == 1 || _locationSoundsTable[i].type == 2 || _locationSoundsTable[i].type == 5 || (_locationSoundsTable[i].type == 7 && _flagsTable[_locationSoundsTable[i].flagNum] == _locationSoundsTable[i].flagValueStartFx)) { startSound(_locationSoundsTable[i].offset, i, _locationSoundsTable[i].volume); } } if (i < _locationMusicsCount) { if (_locationMusicsTable[i].flag > 0) { startMusic(_locationMusicsTable[i].offset, i, _locationMusicsTable[i].volume); } } } } void TuckerEngine::updateCharactersPath() { if (_panelLockedFlag == 0) { return; } if (_backgroundSpriteCurrentAnimation != -1 && _locationNum != 25) { if (_xPosCurrent == _selectedObject.xPos && _yPosCurrent == _selectedObject.yPos) { _locationMaskCounter = 1; _panelLockedFlag = 0; } return; } int xPos = _xPosCurrent; int yPos = _yPosCurrent; if (_characterFacingDirection == 5) { _characterPrevFacingDirection = 5; } int flag = 0; if (_yPosCurrent > _selectedObject.yPos) { if (testLocationMask(_xPosCurrent, _yPosCurrent - 1) == 1) { --_yPosCurrent; _characterFacingDirection = 4; flag = 1; } } else if (_yPosCurrent < _selectedObject.yPos) { if (testLocationMask(_xPosCurrent, _yPosCurrent + 1) == 1) { ++_yPosCurrent; _characterFacingDirection = 2; flag = 1; } } if (_xPosCurrent > _selectedObject.xPos) { if (testLocationMask(_xPosCurrent - 1, _yPosCurrent) == 1) { --_xPosCurrent; _characterFacingDirection = 3; _characterBackFrontFacing = 0; flag = 1; } } else if (_xPosCurrent < _selectedObject.xPos) { if (testLocationMask(_xPosCurrent + 1, _yPosCurrent) == 1) { ++_xPosCurrent; _characterFacingDirection = 1; _characterBackFrontFacing = 1; flag = 1; } } if (flag == 0) { if (_selectedObjectLocationMask == 1) { _selectedObjectLocationMask = 0; _selectedObject.xPos = _selectedObject.xDefaultPos; _selectedObject.yPos = _selectedObject.yDefaultPos; } else { _panelLockedFlag = 0; _characterFacingDirection = 0; if (_xPosCurrent == _selectedObject.xPos && _yPosCurrent == _selectedObject.yPos) { _locationMaskCounter = 1; } } } if (_locationNum == 25) { if ((_backgroundSpriteCurrentAnimation != 3 || _characterBackFrontFacing != 0) && (_backgroundSpriteCurrentAnimation != 6 || _characterBackFrontFacing != 1)) { _xPosCurrent = xPos; _yPosCurrent = yPos; return; } } if (_xPosCurrent != _selectedObject.xPos || _yPosCurrent != _selectedObject.yPos) { return; } if (_selectedObjectLocationMask != 0) { return; } _locationMaskCounter = 1; _panelLockedFlag = 0; _locationMaskIgnore = 0; if (_characterPrevFacingDirection <= 0 || _characterPrevFacingDirection >= 5) { return; } if (_selectedObject.locationObject_locationNum == 0) { _characterFacingDirection = 5; while (_spriteAnimationFramesTable[_spriteAnimationFrameIndex] != 999) { ++_spriteAnimationFrameIndex; } ++_spriteAnimationFrameIndex; } } void TuckerEngine::setSoundVolumeDistance() { int w = ABS(_xPosCurrent - _currentFxDist); int d = w * _currentFxScale / 10; int volume = (d > _currentFxVolume) ? 0 : _currentFxVolume - d; setVolumeSound(_currentFxIndex, volume); } void TuckerEngine::updateData3DrawFlag() { for (int i = 0; i < _locationAnimationsCount; ++i) { LocationAnimation *a = &_locationAnimationsTable[i]; if (a->flagNum > 0 && a->flagValue != _flagsTable[a->flagNum]) { a->drawFlag = 0; } else if (a->getFlag == 0) { a->drawFlag = 1; } else { a->drawFlag = (_inventoryItemsState[a->inventoryNum] == 0) ? 1 : 0; } } } void TuckerEngine::updateData3() { updateData3DrawFlag(); for (int i = 0; i < _locationAnimationsCount; ++i) { LocationAnimation *a = &_locationAnimationsTable[i]; if (a->animLastCounter != 0 && a->drawFlag != 0) { if (a->animLastCounter == a->animCurrentCounter) { a->animCurrentCounter = a->animInitCounter; } else { ++a->animCurrentCounter; } const int index = a->animCurrentCounter; if (_staticData3Table[index] == 998) { _flagsTable[_staticData3Table[index + 1]] = _staticData3Table[index + 2]; a->animCurrentCounter = a->animInitCounter; a->drawFlag = 0; } a->graphicNum = _staticData3Table[a->animCurrentCounter]; } } updateData3DrawFlag(); } void TuckerEngine::updateSfxData3_1() { for (int i = 0; i < _locationSoundsCount; ++i) { LocationSound *s = &_locationSoundsTable[i]; if ((s->type == 6 || s->type == 7) && s->updateType == 1) { for (int j = 0; j < _spritesCount; ++j) { if (_spritesTable[j].animationFrame == s->startFxSpriteNum && _spritesTable[j].state == s->startFxSpriteState) { if (s->type == 7) { _flagsTable[s->flagNum] = s->flagValueStartFx; } startSound(s->offset, i, s->volume); } else if (s->type == 7) { if (_spritesTable[j].animationFrame == s->stopFxSpriteNum && _spritesTable[j].state == s->stopFxSpriteState) { _flagsTable[s->flagNum] = s->flagValueStopFx; stopSound(i); } } } } } } void TuckerEngine::updateSfxData3_2() { for (int i = 0; i < _locationSoundsCount; ++i) { LocationSound *s = &_locationSoundsTable[i]; if ((s->type == 6 || s->type == 7) && s->updateType == 0) { if (s->startFxSpriteNum == _backgroundSpriteCurrentFrame && s->startFxSpriteState == _backgroundSpriteCurrentAnimation) { if (s->type == 7) { _flagsTable[s->flagNum] = s->flagValueStartFx; } startSound(s->offset, i, s->volume); } else if (s->type == 7) { if (s->stopFxSpriteNum == _backgroundSpriteCurrentFrame && s->stopFxSpriteState == _backgroundSpriteCurrentAnimation) { _flagsTable[s->flagNum] = s->flagValueStopFx; stopSound(i); } } } } } void TuckerEngine::saveOrLoad() { if (!_leftMouseButtonPressed) { _mouseClick = 0; } if (_currentSaveLoadGameState > 0) { drawSpeechText(_scrollOffset + 120, 170, _infoBarBuf, _saveOrLoadGamePanel + 19, 102); int len = getStringWidth(_saveOrLoadGamePanel + 19, _infoBarBuf); drawStringInteger(_currentSaveLoadGameState, len / 2 + 128, 160, 2); } else { drawSpeechText(_scrollOffset + 120, 170, _infoBarBuf, 21, 102); } if (_leftMouseButtonPressed && _mouseClick == 0) { _mouseClick = 1; if (_mousePosX > 228 && _mousePosX < 240 && _mousePosY > 154 && _mousePosY < 170) { if (_currentSaveLoadGameState < 99) { ++_currentSaveLoadGameState; _forceRedrawPanelItems = 1; } return; } if (_mousePosX > 228 && _mousePosX < 240 && _mousePosY > 170 && _mousePosY < 188) { if (_currentSaveLoadGameState > 1) { --_currentSaveLoadGameState; _forceRedrawPanelItems = 1; } return; } if (_mousePosX > 244 && _mousePosX < 310 && _mousePosY > 170 && _mousePosY < 188) { _forceRedrawPanelItems = 1; _panelState = 2; return; } if (_mousePosX > 260 && _mousePosX < 290 && _mousePosY > 152 && _mousePosY < 168) { if (_saveOrLoadGamePanel == 1) { saveGameState(_currentSaveLoadGameState, ""); } else if (_currentSaveLoadGameState > 0) { loadGameState(_currentSaveLoadGameState); } _forceRedrawPanelItems = 1; _panelState = 0; setCursorType(0); return; } } } void TuckerEngine::handleMouseOnPanel() { if (!_leftMouseButtonPressed) { _mouseClick = 0; } if (_leftMouseButtonPressed && _mouseClick == 0) { _mouseClick = 1; if (_mousePosY < 160 || _mousePosY > 176) { return; } if (_mousePosX < 45 || _mousePosX > 275) { return; } if (_mousePosX < 96) { _saveOrLoadGamePanel = 0; _forceRedrawPanelItems = 1; _panelState = 3; } else if (_mousePosX < 158) { _saveOrLoadGamePanel = 1; _forceRedrawPanelItems = 1; _panelState = 3; } else if (_mousePosX < 218) { _forceRedrawPanelItems = 1; _panelState = 0; setCursorType(0); } else { _quitGame = true; } } } void TuckerEngine::switchPanelType() { if (_inputKeys[kInputKeyToggleInventory]) { _inputKeys[kInputKeyToggleInventory] = false; if (_panelState == 0 && _switchPanelFlag == 0) { _switchPanelFlag = 1; _switchPanelCounter = 1; return; } } if (_switchPanelFlag == 0) { return; } if (_switchPanelFlag == 1) { if (_switchPanelCounter == 25) { if (_panelNum == 0) { _panelNum = 1; } else { _panelNum = 0; } _switchPanelFlag = 2; loadPanel(); _forceRedrawPanelItems = 1; } else { ++_switchPanelCounter; } } else { --_switchPanelCounter; if (_switchPanelCounter == 0) { _switchPanelFlag = 0; } } } void TuckerEngine::redrawPanelOverBackground() { const uint8 *src = _itemsGfxBuf; uint8 *dst = _locationBackgroundGfxBuf + 640 * 140 + _scrollOffset; for (int y = 0; y < 10; ++y) { memcpy(dst, src, 320); src += 320; dst += 640; } for (int y = 0; y < _switchPanelCounter; ++y) { for (int x = 0; x < 320; ++x) { dst[x] = 0; } dst += 640; } int y2 = 50 - _switchPanelCounter * 2; for (int y = 0; y < y2; ++y) { int i = y * 50 / y2; memcpy(dst, src + i * 320, 320); dst += 640; } for (int y = 0; y < _switchPanelCounter; ++y) { for (int x = 0; x < 320; ++x) { dst[x] = 0; } dst += 640; } if (_conversationOptionsCount > 0) { drawConversationTexts(); } addDirtyRect(0, 140, 320, 60); } void TuckerEngine::drawConversationTexts() { int x = 0; int y = 141; int flag = 0; for (int i = 0; i < _conversationOptionsCount; ++i) { int color = 108; if ((_mousePosY > y && _mousePosY < y + 11) || _nextTableToLoadIndex == i) { color = 106; } drawSpeechText(x, y, _characterSpeechDataPtr, _instructionsActionsTable[i], color); if (_mousePosY > y && _mousePosY < _panelItemWidth * 10 + y + 1) { _nextTableToLoadIndex = i; flag = 1; } y += _panelItemWidth * 10; } if (flag == 0) { _nextTableToLoadIndex = -1; } } void TuckerEngine::updateScreenScrolling() { int scrollPrevOffset = _scrollOffset; if (_locationWidthTable[_locationNum] != 2) { _scrollOffset = 0; } else if (_validInstructionId == 1) { _scrollOffset = _xPosCurrent - 200; } else if (_locationNum == 16 && _backgroundSpriteCurrentAnimation == 6 && _scrollOffset + 200 < _xPosCurrent) { ++_scrollOffset; if (_scrollOffset > 320) { _scrollOffset = 320; } } else if (_scrollOffset + 120 > _xPosCurrent) { _scrollOffset = _xPosCurrent - 120; if (_scrollOffset < 0) { _scrollOffset = 0; } } else if (_scrollOffset + 200 < _xPosCurrent) { _scrollOffset = _xPosCurrent - 200; if (_scrollOffset > 320) { _scrollOffset = 320; } } if (scrollPrevOffset != _scrollOffset) { _fullRedrawCounter = 2; } } void TuckerEngine::updateGameHints() { if (_gameHintsIndex == 0 && _flagsTable[3] > 0) { _gameHintsIndex = 1; _gameHintsCounter = 0; _gameHintsDisplayText = 0; } else if (_gameHintsIndex == 1 && _flagsTable[12] > 0) { _gameHintsIndex = 2; _gameHintsCounter = 0; _gameHintsDisplayText = 0; } else if (_gameHintsIndex == 2 && _flagsTable[20] > 0) { _gameHintsIndex = 3; _gameHintsCounter = 0; _gameHintsDisplayText = 0; } else if (_gameHintsIndex == 3 && _flagsTable[9] > 0) { _gameHintsIndex = 4; _gameHintsCounter = 0; _gameHintsDisplayText = 0; } else if (_gameHintsIndex == 4 && _flagsTable[23] > 0) { _gameHintsIndex = 5; _gameHintsCounter = 0; _gameHintsDisplayText = 0; } else if (_flagsTable[19] > 0) { _gameHintsIndex = 6; _gameHintsCounter = 0; _gameHintsDisplayText = 0; } ++_gameHintsCounter; if (_gameHintsCounter > 1500) { _gameHintsDisplayText = 1; } } void TuckerEngine::startCharacterSounds() { if (_characterSoundFxDelayCounter != 0) { --_characterSoundFxDelayCounter; if (_characterSoundFxDelayCounter <= 0) { startSound(_locationSoundsTable[_characterSoundFxNum].offset, _characterSoundFxNum, _locationSoundsTable[_characterSoundFxNum].volume); } } } void TuckerEngine::updateSoundsTypes3_4() { if (isSoundPlaying(0)) { return; } for (int i = 0; i < _locationSoundsCount; ++i) { switch (_locationSoundsTable[i].type) { case 3: if (getRandomNumber() >= 32300) { startSound(_locationSoundsTable[i].offset, 0, _locationSoundsTable[i].volume); return; } break; case 4: if (getRandomNumber() >= 32763) { startSound(_locationSoundsTable[i].offset, 0, _locationSoundsTable[i].volume); return; } break; } } } void TuckerEngine::drawData3() { for (int i = 0; i < _locationAnimationsCount; ++i) { int num = _locationAnimationsTable[i].graphicNum; const Data *d = &_dataTable[num]; if (_locationAnimationsTable[i].drawFlag != 0) { Graphics::decodeRLE(_locationBackgroundGfxBuf + d->yDest * 640 + d->xDest, _data3GfxBuf + d->sourceOffset, d->xSize, d->ySize); addDirtyRect(d->xDest, d->yDest, d->xSize, d->ySize); } } } void TuckerEngine::execData3PreUpdate() { switch (_locationNum) { case 1: execData3PreUpdate_locationNum1(); break; case 2: execData3PreUpdate_locationNum2(); break; case 3: execData3PreUpdate_locationNum3(); break; case 4: execData3PreUpdate_locationNum4(); break; case 6: execData3PreUpdate_locationNum6(); break; case 9: execData3PreUpdate_locationNum9(); break; case 10: execData3PreUpdate_locationNum10(); break; case 12: execData3PreUpdate_locationNum12(); break; case 13: execData3PreUpdate_locationNum13(); break; case 14: execData3PreUpdate_locationNum14(); break; case 15: execData3PreUpdate_locationNum15(); break; case 16: execData3PreUpdate_locationNum16(); break; case 19: execData3PreUpdate_locationNum19(); break; case 21: execData3PreUpdate_locationNum21(); break; case 22: execData3PreUpdate_locationNum22(); break; case 24: execData3PreUpdate_locationNum24(); break; case 25: execData3PreUpdate_locationNum25(); break; case 26: execData3PreUpdate_locationNum26(); break; case 27: execData3PreUpdate_locationNum27(); break; case 28: execData3PreUpdate_locationNum28(); break; case 29: execData3PreUpdate_locationNum29(); break; case 30: execData3PreUpdate_locationNum30(); break; case 31: execData3PreUpdate_locationNum31(); break; case 32: execData3PreUpdate_locationNum32(); break; case 33: execData3PreUpdate_locationNum33(); break; case 34: execData3PreUpdate_locationNum34(); break; case 35: execData3PreUpdate_locationNum35(); break; case 36: execData3PreUpdate_locationNum36(); break; case 38: execData3PreUpdate_locationNum38(); break; case 41: execData3PreUpdate_locationNum41(); break; case 42: execData3PreUpdate_locationNum42(); break; case 43: execData3PreUpdate_locationNum43(); break; case 44: execData3PreUpdate_locationNum44(); break; case 49: execData3PreUpdate_locationNum49(); break; case 52: execData3PreUpdate_locationNum52(); break; case 53: execData3PreUpdate_locationNum53(); break; case 57: execData3PreUpdate_locationNum57(); break; case 58: execData3PreUpdate_locationNum58(); break; case 61: execData3PreUpdate_locationNum61(); break; case 63: execData3PreUpdate_locationNum63(); break; case 64: execData3PreUpdate_locationNum64(); break; case 65: execData3PreUpdate_locationNum65(); break; case 66: execData3PreUpdate_locationNum66(); break; case 70: execData3PreUpdate_locationNum70(); break; } } void TuckerEngine::execData3PostUpdate() { switch (_locationNum) { case 1: execData3PostUpdate_locationNum1(); break; case 6: execData3PostUpdate_locationNum6(); break; case 8: execData3PostUpdate_locationNum8(); break; case 9: execData3PostUpdate_locationNum9(); break; case 14: execData3PostUpdate_locationNum14(); break; case 21: execData3PostUpdate_locationNum21(); break; case 24: execData3PostUpdate_locationNum24(); break; case 27: execData3PostUpdate_locationNum27(); break; case 28: execData3PostUpdate_locationNum28(); break; case 32: execData3PostUpdate_locationNum32(); break; case 60: execData3PostUpdate_locationNum60(); break; case 66: execData3PostUpdate_locationNum66(); break; } } void TuckerEngine::drawBackgroundSprites() { if (_backgroundSpriteDataPtr && _backgroundSpriteCurrentFrame != 0 && _backgroundSpriteCurrentFrame <= _backgroundSpriteLastFrame) { int frameOffset = READ_LE_UINT24(_backgroundSpriteDataPtr + _backgroundSpriteCurrentFrame * 4); int srcW = READ_LE_UINT16(_backgroundSpriteDataPtr + frameOffset); int srcH = READ_LE_UINT16(_backgroundSpriteDataPtr + frameOffset + 2); int srcX = READ_LE_UINT16(_backgroundSpriteDataPtr + frameOffset + 8); int srcY = READ_LE_UINT16(_backgroundSpriteDataPtr + frameOffset + 10); if (_locationNum == 22 && _backgroundSpriteCurrentAnimation > 1) { srcY += _mainSpritesBaseOffset; } if (_locationNum == 29 && _backgroundSpriteCurrentAnimation == 3) { srcX += 228; } else if (_locationNum == 58 && _backgroundSpriteCurrentAnimation == 1) { srcX += 100; } else if (_xPosCurrent > 320 && _xPosCurrent < 640) { srcX += 320; } int offset = _backgroundSprOffset + srcY * 640 + srcX; Graphics::decodeRLE_248(_locationBackgroundGfxBuf + offset, _backgroundSpriteDataPtr + frameOffset + 12, srcW, srcH, 0, _locationHeightTable[_locationNum], false); addDirtyRect(offset % 640, offset / 640, srcW, srcH); } } void TuckerEngine::drawCurrentSprite() { SpriteFrame *chr = &_spriteFramesTable[_currentSpriteAnimationFrame]; int offset = (_yPosCurrent + _mainSpritesBaseOffset - 54 + chr->yOffset) * 640 + _xPosCurrent; if (_mirroredDrawing == 0) { offset += chr->xOffset - 14; } else { offset -= chr->xSize + chr->xOffset - 14; } Graphics::decodeRLE_248(_locationBackgroundGfxBuf + offset, _spritesGfxBuf + chr->sourceOffset, chr->xSize, chr->ySize, chr->yOffset, _locationHeightTable[_locationNum], _mirroredDrawing != 0); addDirtyRect(offset % 640, offset / 640, chr->xSize, chr->ySize); if (_currentSpriteAnimationLength > 1) { SpriteFrame *chr2 = &_spriteFramesTable[_currentSpriteAnimationFrame2]; offset = (_yPosCurrent + _mainSpritesBaseOffset - 54 + chr2->yOffset) * 640 + _xPosCurrent; if (_mirroredDrawing == 0) { offset += chr2->xOffset - 14; } else { offset -= chr2->xSize + chr2->xOffset - 14; } Graphics::decodeRLE_248(_locationBackgroundGfxBuf + offset, _spritesGfxBuf + chr2->sourceOffset, chr2->xSize, chr2->ySize, chr2->yOffset, _locationHeightTable[_locationNum], _mirroredDrawing != 0); addDirtyRect(offset % 640, offset / 640, chr2->xSize, chr2->ySize); } } void TuckerEngine::setVolumeSound(int index, int volume) { if (volume < 0) { volume = 0; } _mixer->setChannelVolume(_sfxHandles[index], volume * Audio::Mixer::kMaxChannelVolume / kMaxSoundVolume); } void TuckerEngine::setVolumeMusic(int index, int volume) { if (volume < 0) { volume = 0; } _mixer->setChannelVolume(_musicHandles[index], volume * Audio::Mixer::kMaxChannelVolume / kMaxSoundVolume); } void TuckerEngine::startSound(int offset, int index, int volume) { bool loop = (_locationSoundsTable[index].type == 2 || _locationSoundsTable[index].type == 5 || _locationSoundsTable[index].type == 7); loadSound(Audio::Mixer::kSFXSoundType, _locationSoundsTable[index].num, volume, loop, &_sfxHandles[index]); } void TuckerEngine::stopSound(int index) { _mixer->stopHandle(_sfxHandles[index]); } bool TuckerEngine::isSoundPlaying(int index) { return _mixer->isSoundHandleActive(_sfxHandles[index]); } void TuckerEngine::startMusic(int offset, int index, int volume) { bool loop = (_locationMusicsTable[index].flag == 2); loadSound(Audio::Mixer::kMusicSoundType, _locationMusicsTable[index].num, volume, loop, &_musicHandles[index]); } void TuckerEngine::stopMusic(int index) { _mixer->stopHandle(_musicHandles[index]); } void TuckerEngine::startSpeechSound(int num, int volume) { loadSound(Audio::Mixer::kSpeechSoundType, num, volume, false, &_speechHandle); } void TuckerEngine::stopSpeechSound() { _mixer->stopHandle(_speechHandle); } bool TuckerEngine::isSpeechSoundPlaying() { return _mixer->isSoundHandleActive(_speechHandle); } void TuckerEngine::redrawPanelItems() { const uint8 *src = 0; uint8 *dst = 0; int sz = 0; if (_forceRedrawPanelItems != 0 || (_redrawPanelItemsCounter != 0 && _panelState == 0)) { _forceRedrawPanelItems = 0; if (_redrawPanelItemsCounter > 0) { --_redrawPanelItemsCounter; } switch (_panelState) { case 0: src = _panelGfxBuf; dst = _itemsGfxBuf + 3200; sz = 16000; break; case 1: src = _panelGfxBuf + 16320; dst = _itemsGfxBuf; sz = 19200; break; case 2: src = _panelGfxBuf + 16320; dst = _itemsGfxBuf; sz = 19200; memcpy(dst, src, sz); src = _panelGfxBuf + 55040; dst = _itemsGfxBuf + 6400; sz = 5120; break; case 3: src = _panelGfxBuf + 35200; dst = _itemsGfxBuf; sz = 19200; break; } memcpy(dst, src, sz); if (_panelState == 0) { redrawPanelItemsHelper(); } } } void TuckerEngine::redrawPanelItemsHelper() { const int k = (_redrawPanelItemsCounter / 4) - ((_redrawPanelItemsCounter / 8) * 2); for (int i = 0; i < 2; ++i) { for (int j = 0; j < 3; ++j) { if (i * 3 + j + _inventoryObjectsOffset >= _inventoryObjectsCount) { continue; } if (i * 3 + j + _inventoryObjectsOffset == _lastInventoryObjectIndex && k != 0) { continue; } const int obj = _inventoryObjectsList[i * 3 + j + _inventoryObjectsOffset]; const uint8 *src = _panelObjectsGfxBuf + _panelObjectsOffsetTable[obj]; uint8 *dst = _itemsGfxBuf + 3412 + i * 8320 + j * 34; Graphics::decodeRLE_320(dst, src, 32, 24); } } } void TuckerEngine::drawSprite(int num) { Sprite *s = &_spritesTable[num]; if (s->animationFrame <= s->firstFrame && s->animationFrame > 0 && s->state != -1) { const uint8 *p = s->animationData; if (!p) { return; } int frameOffset = READ_LE_UINT24(p + s->animationFrame * 4); int srcW = READ_LE_UINT16(p + frameOffset); int srcH = READ_LE_UINT16(p + frameOffset + 2); int srcX = READ_LE_UINT16(p + frameOffset + 8); int srcY = READ_LE_UINT16(p + frameOffset + 10); int dstOffset = s->gfxBackgroundOffset + srcX; if (dstOffset < 600 && (_scrollOffset + 320 < dstOffset || _scrollOffset - srcW > dstOffset)) { return; } s->xSource = srcX; s->gfxBackgroundOffset += s->backgroundOffset; uint8 *dstPtr = _locationBackgroundGfxBuf + srcY * 640 + dstOffset; const uint8 *srcPtr = p + frameOffset + 12; switch (s->colorType) { case 0: Graphics::decodeRLE(dstPtr, srcPtr, srcW, srcH); break; case 99: Graphics::decodeRLE_224(dstPtr, srcPtr, srcW, srcH); break; default: Graphics::decodeRLE_248(dstPtr, srcPtr, srcW, srcH, 0, s->yMaxBackground, s->flipX != 0); break; } addDirtyRect(dstOffset % 640, dstOffset / 640 + srcY, srcW, srcH); } } void TuckerEngine::clearItemsGfx() { memset(_itemsGfxBuf, 0, 3200); } void TuckerEngine::drawPausedInfoBar() { int len = getStringWidth(36, _infoBarBuf); int x = 159 - len / 2; drawItemString(326 + x, 36, _infoBarBuf); } const uint8 *TuckerEngine::getStringBuf(int type) const { const uint8 *p = 0; switch (type) { case 0: p = _data5Buf; break; case 1: p = _bgTextBuf; break; case 2: p = _charNameBuf; break; case 3: p = _objTxtBuf; break; } return p; } void TuckerEngine::drawInfoString() { const uint8 *infoStrBuf = _infoBarBuf; const uint8 *obj1StrBuf = getStringBuf(_actionObj1Type); const uint8 *obj2StrBuf = getStringBuf(_actionObj2Type); int infoStringWidth = 0; int object1NameWidth = 0; int verbWidth = getStringWidth(_actionVerb + 1, infoStrBuf); if (_actionObj1Num > 0 || _actionObj1Type > 0) { object1NameWidth = getStringWidth(_actionObj1Num + 1, obj1StrBuf) + 4; infoStringWidth = verbWidth + object1NameWidth; } else { infoStringWidth = verbWidth; } int verbPreposition = 0; int verbPrepositionWidth = 0; if (_actionRequiresTwoObjects) { verbPreposition = (_actionVerb == 5) ? 12 : 11; verbPrepositionWidth = getStringWidth(verbPreposition, infoStrBuf) + 4; if (_gameLang == Common::FR_FRA) { if ((_actionObj2Num > 0 || _actionObj2Type > 0) && verbPreposition > 0) { infoStringWidth = 0; verbWidth = 0; object1NameWidth = 0; } } infoStringWidth += verbPrepositionWidth; if (_actionObj2Num > 0 || _actionObj2Type > 0) { infoStringWidth += getStringWidth(_actionObj2Num + 1, obj2StrBuf); } } const int xPos = 159 - infoStringWidth / 2; if (verbPreposition == 0 || (_actionObj2Num == 0 && _actionObj2Type == 0)) { drawItemString(xPos, _actionVerb + 1, infoStrBuf); if (_actionObj1Num > 0 || _actionObj1Type > 0) { drawItemString(xPos + 4 + verbWidth, _actionObj1Num + 1, obj1StrBuf); } } if (verbPreposition > 0) { drawItemString(xPos + 4 + verbWidth + object1NameWidth, verbPreposition, infoStrBuf); if (_actionObj2Num > 0 || _actionObj2Type > 0) { drawItemString(xPos + 4 + verbWidth + object1NameWidth + verbPrepositionWidth, _actionObj2Num + 1, obj2StrBuf); } } } void TuckerEngine::drawGameHintString() { const int len = getStringWidth(_gameHintsStringNum + 29, _infoBarBuf); const int x = 159 - len / 2; drawItemString(326 + x, _gameHintsStringNum + 29, _infoBarBuf); } void TuckerEngine::updateCharacterAnimation() { if (_characterAnimationIndex > -1) { if (_backgroundSpriteCurrentFrame == 0) { _backgroundSpriteCurrentAnimation = _characterAnimationsTable[_characterAnimationIndex]; ++_characterAnimationIndex; _backgroundSpriteDataPtr = _sprA02Table[_backgroundSpriteCurrentAnimation]; _backgroundSpriteLastFrame = READ_LE_UINT16(_backgroundSpriteDataPtr); _backgroundSpriteCurrentFrame = _characterAnimationsTable[_characterAnimationIndex]; ++_characterAnimationIndex; } else if (_characterAnimationsTable[_characterAnimationIndex] == 99) { _characterAnimationIndex = -1; _backgroundSpriteCurrentAnimation = -1; if (_nextAction == 0) { setCursorType(0); } } else { _backgroundSpriteCurrentFrame = _characterAnimationsTable[_characterAnimationIndex]; if (_noCharacterAnimationChange == 0) { ++_characterAnimationIndex; } } } else if (_backgroundSpriteCurrentAnimation > -1) { while (_spriteAnimationFramesTable[_spriteAnimationFrameIndex] != 999) { ++_spriteAnimationFrameIndex; } _characterFacingDirection = 0; if (_changeBackgroundSprite == 1) { if (_backgroundSpriteCurrentFrame == 0) { _backgroundSpriteDataPtr = _sprA02Table[_backgroundSpriteCurrentAnimation]; _backgroundSpriteCurrentFrame = _backgroundSpriteLastFrame = READ_LE_UINT16(_backgroundSpriteDataPtr); } else { --_backgroundSpriteCurrentFrame; if (_backgroundSpriteCurrentFrame < 1) { _backgroundSpriteCurrentAnimation = -1; _backgroundSpriteCurrentFrame = 0; _changeBackgroundSprite = 0; if (_nextAction == 0) { setCursorType(0); } } } } else { if (_backgroundSpriteCurrentFrame == 0) { _backgroundSpriteCurrentFrame = 1; assert(_backgroundSpriteCurrentAnimation >= 0 && _backgroundSpriteCurrentAnimation < kSprA02TableSize); _backgroundSpriteDataPtr = _sprA02Table[_backgroundSpriteCurrentAnimation]; _backgroundSpriteLastFrame = READ_LE_UINT16(_backgroundSpriteDataPtr); } else if (_locationNum == 25 && _panelLockedFlag != 1 && (_backgroundSpriteCurrentAnimation == 3 || _backgroundSpriteCurrentAnimation == 6)) { _backgroundSpriteCurrentFrame = 0; _backgroundSpriteCurrentAnimation = -1; } else { ++_backgroundSpriteCurrentFrame; if (_backgroundSpriteCurrentFrame > _backgroundSpriteLastFrame) { _backgroundSpriteCurrentAnimation = -1; _backgroundSpriteCurrentFrame = 0; if (_nextAction == 0 && _panelState == 0) { setCursorType(0); } } } } } if (_locationNum == 24 && _flagsTable[103] == 0) { if (_panelLockedFlag == 1) { _panelLockedFlag = 0; _selectedObject.locationObject_locationNum = 0; if (_actionVerb != 2) { _speechSoundNum = 2236; startSpeechSound(_speechSoundNum, _speechVolume); _characterSpeechDataPtr = _ptTextBuf + getPositionForLine(_speechSoundNum, _ptTextBuf); _speechSoundNum = 0; _actionPosX = _xPosCurrent; _actionPosY = _yPosCurrent - 64; _actionTextColor = 1; _actionCharacterNum = 99; setCursorType(2); _charSpeechSoundCounter = kDefaultCharSpeechSoundCounter; } } if (_charSpeechSoundCounter == 0 || _actionCharacterNum != 99) { if (_backgroundSpriteCurrentAnimation == 5) { _backgroundSpriteCurrentFrame = 0; } } else { if (_backgroundSpriteCurrentAnimation != 5) { _backgroundSpriteCurrentFrame = 0; } } if (_backgroundSpriteCurrentFrame == 0) { if (_charSpeechSoundCounter > 0 && _actionCharacterNum == 99) { _backgroundSpriteCurrentAnimation = 5; } else { _backgroundSpriteCurrentAnimation = (getRandomNumber() < 33000) ? 2 : 3; } _backgroundSpriteCurrentFrame = 1; _backgroundSpriteDataPtr = _sprA02Table[_backgroundSpriteCurrentAnimation]; _backgroundSpriteLastFrame = READ_LE_UINT16(_backgroundSpriteDataPtr); } } else if (_locationNum == 25) { if (_backgroundSpriteCurrentFrame == 0) { if (_characterBackFrontFacing == 0) { if (_characterBackFrontFacing != _characterPrevBackFrontFacing) { _backgroundSpriteCurrentAnimation = 10; } else if (_panelLockedFlag == 1) { _backgroundSpriteCurrentAnimation = 3; } else if (_charSpeechSoundCounter > 0 && _actionCharacterNum == 99) { _backgroundSpriteCurrentAnimation = 8; } else { _backgroundSpriteCurrentAnimation = (getRandomNumber() < 32000) ? 11 : 5; } } else { if (_characterBackFrontFacing != _characterPrevBackFrontFacing) { _backgroundSpriteCurrentAnimation = 2; } else if (_panelLockedFlag == 1) { _backgroundSpriteCurrentAnimation = 6; } else if (_charSpeechSoundCounter > 0 && _actionCharacterNum == 99) { _backgroundSpriteCurrentAnimation = 9; } else { _backgroundSpriteCurrentAnimation = (getRandomNumber() < 32000) ? 12 : 7; } } _characterPrevBackFrontFacing = _characterBackFrontFacing; _backgroundSpriteCurrentFrame = 1; _backgroundSpriteDataPtr = _sprA02Table[_backgroundSpriteCurrentAnimation]; _backgroundSpriteLastFrame = READ_LE_UINT16(_backgroundSpriteDataPtr); } _backgroundSprOffset = _xPosCurrent - 160; } else if (_locationNum == 63 && _backgroundSpriteCurrentFrame == 0) { if (_charSpeechSoundCounter > 0 && _actionCharacterNum == 99) { _backgroundSpriteCurrentAnimation = 1; } else { _backgroundSpriteCurrentAnimation = (getRandomNumber() < 32000) ? 3 : 2; } _backgroundSpriteCurrentFrame = 1; _backgroundSpriteDataPtr = _sprA02Table[_backgroundSpriteCurrentAnimation]; _backgroundSpriteLastFrame = READ_LE_UINT16(_backgroundSpriteDataPtr); } int frame = _spriteAnimationFramesTable[_spriteAnimationFrameIndex]; if (_panelLockedFlag == 0 && _characterFacingDirection < 5 && _selectedObject.locationObject_locationNum == 0) { _characterFacingDirection = 0; } if (_charSpeechSoundCounter > 0 && _characterFacingDirection != 6 && _actionCharacterNum == 99) { _characterFacingDirection = 6; frame = 999; } else if (_characterFacingDirection == 6 && (_charSpeechSoundCounter == 0 || _actionCharacterNum != 99)) { _characterFacingDirection = 0; frame = 999; } int num = 0; if (frame == 999 || (_characterFacingDirection != _characterPrevFacingDirection && _characterFacingDirection < 5)) { _mirroredDrawing = 0; if (_characterFacingDirection == 6) { if (_csDataHandled != 0) { switch (_selectedCharacterDirection) { case 1: num = 17; break; case 2: num = 16; break; case 4: num = 15; break; default: num = 16; _mirroredDrawing = 1; break; } } else { num = 15; } } if (_characterFacingDirection == 5) { _characterFacingDirection = 0; } if (_characterFacingDirection == 0) { if (_csDataHandled != 0) { _mirroredDrawing = 0; switch (_selectedCharacterDirection) { case 1: num = 3; break; case 2: num = 1; break; case 3: num = 1; _mirroredDrawing = 1; break; default: num = 5; break; } } else if (getRandomNumber() < 2000) { num = 13; } else if (getRandomNumber() < 3000) { num = 14; if (_locationNum == 57) { num = 18; } } else { num = (getRandomNumber() < 20000) ? 18 : 6; } } else { switch (_characterFacingDirection) { case 1: num = 0; break; case 2: num = 4; break; case 3: num = 0; _mirroredDrawing = 1; break; case 4: num = 2; break; } } _currentSpriteAnimationLength = _spriteAnimationsTable[num].numParts; _spriteAnimationFrameIndex = _spriteAnimationsTable[num].firstFrameIndex; frame = _spriteAnimationFramesTable[_spriteAnimationFrameIndex]; } if (_characterAnimationNum > 0) { num = _characterAnimationNum; _currentSpriteAnimationLength = _spriteAnimationsTable[num].numParts; _spriteAnimationFrameIndex = _spriteAnimationsTable[num].firstFrameIndex; frame = _spriteAnimationFramesTable[_spriteAnimationFrameIndex]; _characterAnimationNum = 0; } _currentSpriteAnimationFrame = frame; ++_spriteAnimationFrameIndex; if (_currentSpriteAnimationLength > 1) { _currentSpriteAnimationFrame2 = _spriteAnimationFramesTable[_spriteAnimationFrameIndex]; ++_spriteAnimationFrameIndex; if (_characterSpriteAnimationFrameCounter > 0) { ++_characterSpriteAnimationFrameCounter; if (_characterSpriteAnimationFrameCounter > 121) { _characterSpriteAnimationFrameCounter = 0; } if (_selectedCharacterDirection == 1) { _currentSpriteAnimationFrame = (_characterSpriteAnimationFrameCounter > 2 && _characterSpriteAnimationFrameCounter < 120) ? 122 : 121; } else { _currentSpriteAnimationFrame = (_characterSpriteAnimationFrameCounter > 2 && _characterSpriteAnimationFrameCounter < 120) ? 120 : 119; } } } _characterPrevFacingDirection = _characterFacingDirection; } void TuckerEngine::addObjectToInventory(int num) { _inventoryObjectsList[_inventoryObjectsCount] = num; _lastInventoryObjectIndex = _inventoryObjectsCount; _redrawPanelItemsCounter = 50; ++_inventoryObjectsCount; _inventoryItemsState[num] = 1; if (_inventoryObjectsOffset + 5 < _lastInventoryObjectIndex) { _inventoryObjectsOffset += 3; } } void TuckerEngine::removeObjectFromInventory(int num) { for (int i = 0; i < _inventoryObjectsCount; ++i) { if (_inventoryObjectsList[i] == num) { --_inventoryObjectsCount; _inventoryItemsState[num] = 2; const int count = _inventoryObjectsCount - i; if (count != 0) { memmove(_inventoryObjectsList + i, _inventoryObjectsList + i + 1, count * sizeof(int)); } break; } } } void TuckerEngine::handleMap() { if (_handleMapCounter > 0) { ++_handleMapCounter; if (_handleMapCounter > 19) { _handleMapCounter = 0; _locationMaskCounter = 1; _panelLockedFlag = 0; } } if (_panelLockedFlag == 0 && (_backgroundSpriteCurrentAnimation == -1 || _locationNum == 25) && _locationMaskType == 3) { setCursorType(0); if (_locationMaskCounter == 1) { _characterFacingDirection = 0; _locationMaskType = 0; } return; } if (_selectedObject.locationObject_locationNum != 0 && _locationMaskCounter != 0 && (_backgroundSpriteCurrentAnimation <= -1 || _locationNum == 25)) { if (_locationNum == 25 || _backgroundSpriteCurrentAnimation != 4) { if (_locationMaskType == 0) { _locationMaskType = 1; setCursorType(2); if (_selectedObject.locationObject_toWalkX2 > 800) { _backgroundSpriteCurrentAnimation = _selectedObject.locationObject_toWalkX2 - 900; if (_selectedObject.locationObject_toWalkY2 > 499) { _changeBackgroundSprite = 1; _backgroundSprOffset = _selectedObject.locationObject_toWalkY2 - 500; } else { _backgroundSprOffset = _selectedObject.locationObject_toWalkY2; _changeBackgroundSprite = 0; } _backgroundSpriteCurrentFrame = 0; _mirroredDrawing = 0; if (_locationNum == 25) { _backgroundSpriteDataPtr = _sprA02Table[_backgroundSpriteCurrentAnimation]; _backgroundSpriteLastFrame = READ_LE_UINT16(_backgroundSpriteDataPtr); _backgroundSpriteCurrentFrame = 1; } } else { _locationMaskCounter = 0; _selectedObject.xPos = _selectedObject.locationObject_toWalkX2; _selectedObject.yPos = _selectedObject.locationObject_toWalkY2; _handleMapCounter = 1; _panelLockedFlag = 1; } return; } _locationMaskType = 2; _panelState = 0; setCursorType(0); if (_selectedObject.locationObject_locationNum == 99) { _noPositionChangeAfterMap = true; handleMapSequence(); return; } for (int i = 0; i < 14; ++i) { fadeInPalette(); redrawScreen(_scrollOffset); _fadePaletteCounter = 34; } _nextLocationNum = _selectedObject.locationObject_locationNum; _xPosCurrent = _selectedObject.locationObject_toX; _yPosCurrent = _selectedObject.locationObject_toY; if (_selectedObject.locationObject_toX2 > 800) { _backgroundSpriteCurrentAnimation = _selectedObject.locationObject_toX2 - 900; if (_selectedObject.locationObject_toY2 > 499) { _changeBackgroundSprite = 1; _backgroundSprOffset = _selectedObject.locationObject_toY2 - 500; } else { _changeBackgroundSprite = 0; _backgroundSprOffset = _selectedObject.locationObject_toY2; } _backgroundSpriteCurrentFrame = 0; } else { _selectedObject.xPos = _selectedObject.locationObject_toX2; _selectedObject.yPos = _selectedObject.locationObject_toY2; _panelLockedFlag = 1; } _scrollOffset = 0; _handleMapCounter = 0; _locationMaskCounter = 0; _selectedObject.locationObject_locationNum = 0; } } } void TuckerEngine::updateSprites() { const int count = (_locationNum == 9) ? 3 : _spritesCount; for (int i = 0; i < count; ++i) { if (_spritesTable[i].stateIndex > -1) { ++_spritesTable[i].stateIndex; if (_characterStateTable[_spritesTable[i].stateIndex] == 99) { _spritesTable[i].stateIndex = -1; _spritesTable[i].state = -1; updateSprite(i); } else { _spritesTable[i].animationFrame = _characterStateTable[_spritesTable[i].stateIndex]; } continue; } if (_spritesTable[i].state == -1) { updateSprite(i); continue; } if (_charSpeechSoundCounter > 0 && i == _actionCharacterNum && _spritesTable[i].needUpdate == 0) { updateSprite(i); continue; } if (_charSpeechSoundCounter == 0 && _spritesTable[i].needUpdate > 0) { updateSprite(i); continue; } if (_spritesTable[i].updateDelay > 0) { --_spritesTable[i].updateDelay; if (_spritesTable[i].updateDelay == 0) { updateSprite(i); } continue; } if (_spritesTable[i].defaultUpdateDelay > 0) { _spritesTable[i].updateDelay = _spritesTable[i].defaultUpdateDelay - 1; ++_spritesTable[i].animationFrame; if (_spritesTable[i].animationFrame == _spritesTable[i].firstFrame) { updateSprite(i); } continue; } if (_spritesTable[i].nextAnimationFrame == 0) { ++_spritesTable[i].animationFrame; if (_spritesTable[i].firstFrame - 1 < _spritesTable[i].animationFrame) { if (_spritesTable[i].prevAnimationFrame == 1) { --_spritesTable[i].animationFrame; _spritesTable[i].nextAnimationFrame = 1; } else { updateSprite(i); } } continue; } --_spritesTable[i].animationFrame; if (_spritesTable[i].animationFrame == 0) { updateSprite(i); } } } void TuckerEngine::updateSprite(int i) { _spritesTable[i].prevState = _spritesTable[i].state; _spritesTable[i].prevAnimationFrame = 0; _spritesTable[i].nextAnimationFrame = 0; _updateSpriteFlag1 = 0; _updateSpriteFlag2 = 0; _spritesTable[i].defaultUpdateDelay = 0; _spritesTable[i].updateDelay = 0; switch (_locationNum) { case 2: updateSprite_locationNum2(); break; case 3: if (i == 0) { updateSprite_locationNum3_0(i); } else if (i == 1) { updateSprite_locationNum3_1(i); } else { updateSprite_locationNum3_2(i); } break; case 4: updateSprite_locationNum4(0); break; case 5: if (i == 0) { updateSprite_locationNum5_0(); } else { updateSprite_locationNum5_1(1); } break; case 6: if (i == 0) { updateSprite_locationNum6_0(0); } else if (i == 1) { updateSprite_locationNum6_1(1); } else { updateSprite_locationNum6_2(2); } break; case 7: if (i == 0) { updateSprite_locationNum7_0(0); } else { updateSprite_locationNum7_1(1); } break; case 8: if (i == 0) { updateSprite_locationNum8_0(0); } else { updateSprite_locationNum8_1(1); } break; case 9: if (i == 0) { updateSprite_locationNum9_0(i); } else if (i == 1) { updateSprite_locationNum9_1(i); } else { updateSprite_locationNum9_2(i); } break; case 10: updateSprite_locationNum10(); break; case 11: if (i == 0) { updateSprite_locationNum11_0(0); } else if (i == 1) { updateSprite_locationNum11_1(1); } else if (i == 2) { updateSprite_locationNum11_2(2); } else if (i == 3) { updateSprite_locationNum11_3(3); } else if (i == 4) { updateSprite_locationNum11_4(4); } break; case 12: if (i == 0) { updateSprite_locationNum12_0(0); } else if (i == 1) { updateSprite_locationNum12_1(1); } break; case 13: updateSprite_locationNum13(0); break; case 14: updateSprite_locationNum14(0); break; case 15: if (i == 1) { updateSprite_locationNum15_1(1); } else if (i == 2) { updateSprite_locationNum15_2(2); } else if (i == 0) { updateSprite_locationNum15_0(0); } break; case 16: if (i == 0) { updateSprite_locationNum16_0(0); } else if (i == 1) { updateSprite_locationNum16_1(1); } else { updateSprite_locationNum16_2(2); } break; case 17: updateSprite_locationNum17(); break; case 18: updateSprite_locationNum18(); break; case 19: if (i == 0) { updateSprite_locationNum19_0(0); } else if (i == 1) { updateSprite_locationNum19_1(1); } else if (i == 2) { updateSprite_locationNum19_2(2); } else { updateSprite_locationNum19_3(3); } break; case 21: updateSprite_locationNum21(); break; case 22: updateSprite_locationNum22(); break; case 23: if (i == 0) { updateSprite_locationNum23_0(0); } else if (i == 1) { updateSprite_locationNum23_1(1); } else if (i == 2) { updateSprite_locationNum23_2(2); } else { updateSprite_locationNum23_3(3); } break; case 24: if (i == 0) { updateSprite_locationNum24_0(0); } else if (i == 1) { updateSprite_locationNum24_1(1); } else if (i == 2) { updateSprite_locationNum24_2(2); } else { updateSprite_locationNum24_3(3); } break; case 26: if (i == 0) { updateSprite_locationNum26_0(0); } else { updateSprite_locationNum26_1(1); } break; case 27: updateSprite_locationNum27(0); break; case 28: if (i == 0) { updateSprite_locationNum28_0(0); } else if (i == 1) { updateSprite_locationNum28_1(1); } else { updateSprite_locationNum28_2(2); } break; case 29: if (i == 0) { updateSprite_locationNum29_0(0); } else if (i == 1) { updateSprite_locationNum29_1(1); } else { updateSprite_locationNum29_2(2); } break; case 30: updateSprite_locationNum30_34(i); break; case 31: if (i == 0) { updateSprite_locationNum31_0(0); } else { updateSprite_locationNum31_1(1); } break; case 32: if (i == 0) { updateSprite_locationNum32_0(0); } else { _spritesTable[i].state = -1; } break; case 33: if (i == 1) { updateSprite_locationNum33_1(1); } else if (i == 0) { updateSprite_locationNum33_0(0); } else if (i == 2) { updateSprite_locationNum33_2(2); } else { _spritesTable[i].state = 12; } break; case 34: updateSprite_locationNum30_34(0); break; case 36: updateSprite_locationNum36(0); break; case 37: if (i == 0) { _spritesTable[0].state = -1; } else { updateSprite_locationNum37(i); } break; case 41: updateSprite_locationNum41(i); break; case 42: updateSprite_locationNum42(i); break; case 43: if (i == 2) { updateSprite_locationNum43_2(i); } else if (i < 2) { if (_flagsTable[236] < 4) { _spritesTable[0].state = i + 1; } else { _spritesTable[0].state = -1; } } else if (i == 3) { updateSprite_locationNum43_3(3); } else if (i == 4) { updateSprite_locationNum43_4(4); } else if (i == 5) { updateSprite_locationNum43_5(5); } else { updateSprite_locationNum43_6(6); } break; case 45: _spritesTable[0].state = 1; break; case 47: _spritesTable[i].state = i + 1; break; case 48: updateSprite_locationNum48(0); break; case 49: updateSprite_locationNum49(0); break; case 50: if (i < 6) { updateSprite_locationNum50(i); } else { _spritesTable[i].state = i + 1; } break; case 51: updateSprite_locationNum51(i); break; case 53: if (i == 0) { updateSprite_locationNum53_0(0); } else if (i == 1) { updateSprite_locationNum53_1(1); } break; case 54: updateSprite_locationNum54(0); break; case 55: updateSprite_locationNum55(0); break; case 56: updateSprite_locationNum56(0); break; case 57: if (i == 0) { updateSprite_locationNum57_0(0); } else if (i == 1) { updateSprite_locationNum57_1(1); } break; case 58: updateSprite_locationNum58(0); break; case 59: updateSprite_locationNum59(0); break; case 60: if (i == 0) { updateSprite_locationNum60_0(0); } else { updateSprite_locationNum60_1(1); } break; case 61: if (i == 0) { updateSprite_locationNum61_0(0); } else if (i == 2) { updateSprite_locationNum61_2(2); } else { updateSprite_locationNum61_1(1); } break; case 63: if (i == 0) { updateSprite_locationNum63_0(0); } else if (i == 1) { updateSprite_locationNum63_1(1); } else if (i == 2) { updateSprite_locationNum63_2(2); } else if (i == 3) { updateSprite_locationNum63_3(3); } else if (i == 4) { updateSprite_locationNum63_4(4); } break; case 65: updateSprite_locationNum65(0); break; case 66: if (i == 0) { updateSprite_locationNum66_0(0); } else if (i == 1) { updateSprite_locationNum66_1(1); } else if (i == 2) { updateSprite_locationNum66_2(2); } else if (i == 3) { updateSprite_locationNum66_3(3); } else { updateSprite_locationNum66_4(4); } break; case 69: if (i == 0) { _spritesTable[0].state = 1; } else if (i == 1) { updateSprite_locationNum69_1(1); } else if (i == 2) { updateSprite_locationNum69_2(2); } else if (i == 3) { updateSprite_locationNum69_3(3); } break; case 71: updateSprite_locationNum71(0); break; case 72: updateSprite_locationNum72(0); break; case 74: updateSprite_locationNum74(i); break; case 79: updateSprite_locationNum79(0); break; case 81: if (i == 0) { updateSprite_locationNum81_0(0); } else if (i == 1) { updateSprite_locationNum81_1(1); } break; case 82: updateSprite_locationNum82(0); break; case 98: _spritesTable[0].state = 1; break; } if (_spritesTable[i].stateIndex <= -1) { if (_updateSpriteFlag1 == 0) { _spritesTable[i].animationFrame = 1; } if (_spritesTable[i].state < 0 || !_sprC02Table[_spritesTable[i].state]) { // warning("Invalid state %d for sprite %d location %d", _spritesTable[i].state, i, _locationNum); return; } _spritesTable[i].animationData = _sprC02Table[_spritesTable[i].state]; _spritesTable[i].firstFrame = READ_LE_UINT16(_spritesTable[i].animationData); if (_updateSpriteFlag2 == 1) { _spritesTable[i].state = _spritesTable[i].firstFrame; _spritesTable[i].nextAnimationFrame = 1; _spritesTable[i].prevAnimationFrame = 1; } } } void TuckerEngine::drawStringInteger(int num, int x, int y, int digits) { int offset = y * 640 + x + _scrollOffset; char numStr[4]; assert(num < 1000); sprintf(numStr, "%03d", num); int i = (digits > 2) ? 0 : 1; for (; i < 3; ++i) { Graphics::drawStringChar(_locationBackgroundGfxBuf + offset, numStr[i], 640, 102, _charsetGfxBuf); offset += 8; } addDirtyRect(x, y, Graphics::_charset.charW * 3, Graphics::_charset.charH); } void TuckerEngine::drawStringAlt(int offset, int color, const uint8 *str, int strLen) { int startOffset = offset; int pos = 0; while (pos != strLen && str[pos] != '\n') { const uint8 chr = str[pos]; Graphics::drawStringChar(_locationBackgroundGfxBuf + offset, chr, 640, color, _charsetGfxBuf); offset += _charWidthTable[chr]; ++pos; } addDirtyRect(startOffset % 640, startOffset / 640, (offset - startOffset) % 640, Graphics::_charset.charH); } void TuckerEngine::drawItemString(int offset, int num, const uint8 *str) { int count = getPositionForLine(num, str); while (str[count] != '\n') { const uint8 chr = str[count]; Graphics::drawStringChar(_itemsGfxBuf + offset, chr, 320, 1, _charsetGfxBuf); offset += _charWidthTable[chr]; ++count; } } void TuckerEngine::drawCreditsString(int x, int y, int num) { uint8 *dst = _locationBackgroundGfxBuf + y * 640 + x; int pos = getPositionForLine(num, _ptTextBuf); while (_ptTextBuf[pos] != '\n') { const uint8 chr = _ptTextBuf[pos]; Graphics::drawStringChar(dst, chr, 640, 1, _charsetGfxBuf); dst += _charWidthTable[chr]; ++pos; } } void TuckerEngine::updateCharSpeechSound() { if (_charSpeechSoundCounter == 0) { return; } --_charSpeechSoundCounter; if (_charSpeechSoundCounter == 0) { _charSpeechSoundCounter = isSpeechSoundPlaying() ? 1 : 0; if (_charSpeechSoundCounter == 0) { _characterSpriteAnimationFrameCounter = 0; } } if (_charSpeechSoundCounter == 0 && _csDataHandled == 0) { setCursorType(0); return; } if (_displaySpeechText && !_gamePaused2) { drawSpeechText(_actionPosX, _actionPosY, _characterSpeechDataPtr, _speechSoundNum, _actionTextColor); } } void TuckerEngine::updateItemsGfxColors(int color1, int color128) { for (int i = 0; i < 3200; ++i) { if (_itemsGfxBuf[i] == 1) { _itemsGfxBuf[i] = color1; } else if (_itemsGfxBuf[i] == 128) { _itemsGfxBuf[i] = color128; } } } int TuckerEngine::testLocationMask(int x, int y) { if (_locationMaskType > 0 || _locationMaskIgnore > 0) { return 1; } if (_locationNum == 26 || _locationNum == 32) { y -= 3; } const int offset = y * 640 + x; return _locationBackgroundMaskBuf[offset] > 0 ? 1 : 0; } int TuckerEngine::getStringWidth(int num, const uint8 *ptr) { int w = 0; int pos = getPositionForLine(num, ptr); uint8 chr; while ((chr = ptr[pos]) != '\n') { w += _charWidthTable[chr]; ++pos; } return w; } int TuckerEngine::getPositionForLine(int num, const uint8 *ptr) { int linesCount = 0; int i = 0; while (linesCount < num) { if (ptr[i] == '\n') { ++linesCount; if (ptr[i + 1] == '\r') { ++i; } } ++i; } while (1) { if (ptr[i] != '\n' && ptr[i] != '\r') { break; } ++i; } return i; } void TuckerEngine::findActionKey(int count) { _backgroundSpriteCurrentFrame = 0; _characterAnimationIndex = 0; for (int i = 0; i < count; ++i) { while (_characterAnimationsTable[_characterAnimationIndex] != 99) { ++_characterAnimationIndex; } ++_characterAnimationIndex; } } static int parseInt(const uint8 *buf, int offset, int len) { assert(len < 16); char tmpBuf[16]; memcpy(tmpBuf, buf + offset, len); tmpBuf[len] = 0; return strtol(tmpBuf, 0, 10); } int TuckerEngine::parseTableInstruction() { int spr; debug(2, "parseTableInstruction() instruction %c%c%c", _tableInstructionsPtr[0], _tableInstructionsPtr[1], _tableInstructionsPtr[2]); switch (_tableInstructionsPtr[0]) { case 'p': // 12 if (_tableInstructionsPtr[1] == 'a') { // 0 _tableInstructionsPtr += 4; _panelState = parseInt(_tableInstructionsPtr, 0, 2); _forceRedrawPanelItems = 1; _tableInstructionsPtr += 3; return 0; } break; case 'b': // 1 if (_tableInstructionsPtr[2] == 'a') { // 0 _backgroundSpriteCurrentAnimation = parseInt(_tableInstructionsPtr, 4, 3); _backgroundSpriteCurrentFrame = 0; _backgroundSprOffset = 0; _mainLoopCounter2 = 0; _tableInstructionsPtr += 8; return 0; } if (_tableInstructionsPtr[2] == 'b') { // 1 int i = parseInt(_tableInstructionsPtr, 4, 3); _spriteAnimationFrameIndex = _spriteAnimationsTable[i].firstFrameIndex; _characterFacingDirection = 5; _mainLoopCounter2 = 0; _tableInstructionsPtr += 8; return 0; } if (_tableInstructionsPtr[2] == 'c') { // 2 int i = parseInt(_tableInstructionsPtr, 4, 3); findActionKey(i); _backgroundSpriteCurrentFrame = 0; _backgroundSprOffset = 0; _tableInstructionsPtr += 8; return 0; } if (_tableInstructionsPtr[2] == 'd') { // 4 _selectedCharacterDirection = parseInt(_tableInstructionsPtr, 4, 2); _tableInstructionsPtr += 7; return 0; } if (_tableInstructionsPtr[2] == 'f') { // 5 _skipCurrentCharacterDraw = 1; _tableInstructionsPtr += 4; return 0; } if (_tableInstructionsPtr[2] == 'h') { // 7 _noCharacterAnimationChange = parseInt(_tableInstructionsPtr, 4, 2); _tableInstructionsPtr += 7; return 0; } if (_tableInstructionsPtr[2] == 'n') { // 10 _skipCurrentCharacterDraw = 0; _tableInstructionsPtr += 4; return 0; } if (_tableInstructionsPtr[2] == 'o') { // 11 _backgroundSprOffset = parseInt(_tableInstructionsPtr, 4, 3); _tableInstructionsPtr += 8; return 0; } if (_tableInstructionsPtr[2] == 's') { // 14 int i = parseInt(_tableInstructionsPtr, 4, 3); _speechSoundNum = i - 1; _speechHistoryTable[4] = _speechHistoryTable[3]; _speechHistoryTable[3] = _speechHistoryTable[2]; _speechHistoryTable[2] = _speechHistoryTable[1]; _speechHistoryTable[1] = _speechHistoryTable[0]; _speechHistoryTable[0] = _partNum * 3000 + _ptTextOffset + _speechSoundNum - 3000; startSpeechSound(_partNum * 3000 + _ptTextOffset + _speechSoundNum - 3000, _speechVolume); _actionPosX = _xPosCurrent; _actionPosY = _yPosCurrent - 64; _actionTextColor = 1; _actionCharacterNum = 99; _charSpeechSoundCounter = kDefaultCharSpeechSoundCounter; _tableInstructionsPtr += 8; return 0; } if (_tableInstructionsPtr[2] == 'v') { // 16 _speechVolume = parseInt(_tableInstructionsPtr, 4, 3); _tableInstructionsPtr += 8; return 0; } if (_tableInstructionsPtr[2] == 'w') { // 17 _selectedObject.xPos = parseInt(_tableInstructionsPtr, 4, 3); _selectedObject.yPos = parseInt(_tableInstructionsPtr, 8, 3); _locationMaskIgnore = 1; _panelLockedFlag = 1; _tableInstructionsPtr += 12; return 0; } if (_tableInstructionsPtr[2] == 'x') { // 18 _xPosCurrent = parseInt(_tableInstructionsPtr, 4, 3); _yPosCurrent = parseInt(_tableInstructionsPtr, 8, 3); _tableInstructionsPtr += 12; return 0; } break; case 'c': // 2 spr = _tableInstructionsPtr[1] - '0'; if (_tableInstructionsPtr[2] == 'a') { // 0 _spritesTable[spr].state = parseInt(_tableInstructionsPtr, 4, 3); if (_spritesTable[spr].state == 999) { _spritesTable[spr].state = -1; } _mainLoopCounter1 = 0; _spritesTable[spr].updateDelay = 0; _spritesTable[spr].nextAnimationFrame = 0; _spritesTable[spr].prevAnimationFrame = 0; _tableInstructionsPtr += 8; return 0; } if (_tableInstructionsPtr[2] == 'c') { // 2 int i = parseInt(_tableInstructionsPtr, 4, 3); setCharacterAnimation(i, spr); _tableInstructionsPtr += 8; return 0; } if (_tableInstructionsPtr[2] == 's') { // 14 int i = parseInt(_tableInstructionsPtr, 4, 3); _speechSoundNum = i - 1; _speechHistoryTable[4] = _speechHistoryTable[3]; _speechHistoryTable[3] = _speechHistoryTable[2]; _speechHistoryTable[2] = _speechHistoryTable[1]; _speechHistoryTable[1] = _speechHistoryTable[0]; _speechHistoryTable[0] = _partNum * 3000 + _ptTextOffset + _speechSoundNum - 3000; startSpeechSound(_partNum * 3000 + _ptTextOffset + _speechSoundNum - 3000, _charSpeechSoundVolumeTable[spr]); _charSpeechSoundCounter = kDefaultCharSpeechSoundCounter; _actionTextColor = 181 + spr; if (_tableInstructionFlag == 0) { _actionPosX = _tableInstructionItemNum1; _actionPosY = _tableInstructionItemNum2; } else { _actionPosX = _tableInstructionObj1Table[spr]; _actionPosY = _tableInstructionObj2Table[spr]; } _actionCharacterNum = spr; _tableInstructionsPtr += 8; return 0; } if (_tableInstructionsPtr[2] == 'v') { // 16 _charSpeechSoundVolumeTable[spr] = parseInt(_tableInstructionsPtr, 4, 3); _tableInstructionsPtr += 8; return 0; } break; case 'e': // 4 if (_tableInstructionsPtr[1] == 'n') { // 10 return 2; } break; case 'f': // 5 if (_tableInstructionsPtr[2] == 'd') { // 3 _fadePaletteCounter = parseInt(_tableInstructionsPtr, 4, 2); _tableInstructionsPtr += 7; return 0; } if (_tableInstructionsPtr[1] == 'm') { // 9 _redrawPanelItemsCounter = 50; _lastInventoryObjectIndex = 1; _inventoryObjectsOffset = 0; _tableInstructionsPtr += 3; return 0; } if (_tableInstructionsPtr[1] == 'w') { // 17 _selectedCharacterNum = parseInt(_tableInstructionsPtr, 3, 2); _tableInstructionsPtr += 6; _actionVerb = 0; _selectedObjectType = 0; _selectedObjectNum = 1; setSelectedObjectKey(); return 0; } if (_tableInstructionsPtr[2] == 'x') { // 18 int i = parseInt(_tableInstructionsPtr, 4, 2); if (_tableInstructionsPtr[1] == 'l') { // 8 _locationSoundsTable[i].type = 2; startSound(_locationSoundsTable[i].offset, i, _locationSoundsTable[i].volume); } else { if (isSoundPlaying(i)) { stopSound(i); } } _tableInstructionsPtr += 7; return 0; } if (_tableInstructionsPtr[1] == 'x') { // 18 int i = parseInt(_tableInstructionsPtr, 3, 2); startSound(_locationSoundsTable[i].offset, i, _locationSoundsTable[i].volume); _soundInstructionIndex = i; _tableInstructionsPtr += 6; return 0; } break; case 'g': // 6 if (_tableInstructionsPtr[2] == 'g') { // 6 int i = parseInt(_tableInstructionsPtr, 4, 3); _flagsTable[i] = parseInt(_tableInstructionsPtr, 8, 2); _tableInstructionsPtr += 11; return 0; } if (_tableInstructionsPtr[1] == 'v') { // 16 _characterAnimationNum = parseInt(_tableInstructionsPtr, 3, 2); _tableInstructionsPtr += 6; return 0; } break; case 'l': // 8 if (_tableInstructionsPtr[2] == 'c') { // 2 _nextLocationNum = parseInt(_tableInstructionsPtr, 4, 2); _tableInstructionsPtr += 7; return 1; } break; case 'o': // 11 if (_tableInstructionsPtr[2] == 't') { // 15 _conversationOptionsCount = parseInt(_tableInstructionsPtr, 4, 2); _tableInstructionsPtr += 7; for (int i = 0; i < _conversationOptionsCount; ++i) { _instructionsActionsTable[i] = parseInt(_tableInstructionsPtr, 0, 3) - 1; _nextTableToLoadTable[i] = parseInt(_tableInstructionsPtr, 4, 3); _tableInstructionsPtr += 8; } _nextTableToLoadIndex = -1; setCursorType(1); return 1; } if (_tableInstructionsPtr[2] == 'f') { // 5 int count = parseInt(_tableInstructionsPtr, 4, 2); _tableInstructionsPtr += 7; _conversationOptionsCount = 0; for (int i = 0; i < count; ++i) { int flag = parseInt(_tableInstructionsPtr, 0, 3); int value = parseInt(_tableInstructionsPtr, 4, 2); if (value == _flagsTable[flag]) { assert(_conversationOptionsCount < 6); _instructionsActionsTable[_conversationOptionsCount] = parseInt(_tableInstructionsPtr, 7, 3) - 1; _nextTableToLoadTable[_conversationOptionsCount] = parseInt(_tableInstructionsPtr, 11, 3); ++_conversationOptionsCount; } _tableInstructionsPtr += 15; } _nextTableToLoadIndex = -1; setCursorType(1); return 1; } if (_tableInstructionsPtr[2] == 'g') { // 6 int i = parseInt(_tableInstructionsPtr, 8, 2); if (i == 0) { int obj = parseInt(_tableInstructionsPtr, 4, 3); removeObjectFromInventory(obj); } else { int obj = parseInt(_tableInstructionsPtr, 4, 3); addObjectToInventory(obj); } _tableInstructionsPtr += 11; return 0; } break; case 's': // 14 if (_tableInstructionsPtr[2] == 'c') { // 2 _tableInstructionsPtr += 4; _mainLoopCounter1 = 0; return 0; } if (_tableInstructionsPtr[2] == 'e') { // 4 _nextAction = parseInt(_tableInstructionsPtr, 4, 3); _csDataLoaded = false; return 3; } if (_tableInstructionsPtr[2] == 'p') { // 12 if (_tableInstructionsPtr[1] == 's') { // 14 _tableInstructionFlag = 0; _tableInstructionItemNum1 = parseInt(_tableInstructionsPtr, 4, 3); _tableInstructionItemNum2 = parseInt(_tableInstructionsPtr, 8, 3); } else { int num = _tableInstructionsPtr[1] - '0'; _tableInstructionFlag = 1; _tableInstructionObj1Table[num] = parseInt(_tableInstructionsPtr, 4, 3); _tableInstructionObj2Table[num] = parseInt(_tableInstructionsPtr, 8, 3); } _tableInstructionsPtr += 12; return 0; } if (_tableInstructionsPtr[1] == 'p') { // 12 _characterSpriteAnimationFrameCounter = 1; _tableInstructionsPtr += 3; return 0; } break; case 't': // 15 if (_tableInstructionsPtr[2] == 'o') { // 11 _ptTextOffset = parseInt(_tableInstructionsPtr, 4, 4); _characterSpeechDataPtr = _ptTextBuf + getPositionForLine(_ptTextOffset, _ptTextBuf); _tableInstructionsPtr += 9; return 0; } break; case 'w': // 17 if (_tableInstructionsPtr[2] == '+') { // 19 _csDataTableFlag2 = 1; _stopActionCounter = 20; _tableInstructionsPtr += 4; return 1; } if (_tableInstructionsPtr[2] == 'm') { // 9 _stopActionOnPanelLock = 1; _tableInstructionsPtr += 4; return 1; } if (_tableInstructionsPtr[2] == 't') { // 15 _stopActionCounter = parseInt(_tableInstructionsPtr, 4, 3); _tableInstructionsPtr += 8; return 1; } if (_tableInstructionsPtr[2] == 's') { // 14 _csDataTableFlag2 = 1; _tableInstructionsPtr += 4; return 1; } if (_tableInstructionsPtr[2] == 'a') { // 0 if (_tableInstructionsPtr[1] == 'b') { // 1 _csDataTableCount = 99; } else { _csDataTableCount = _tableInstructionsPtr[1] - '0' + 1; } return 1; } if (_tableInstructionsPtr[2] == 'x') { // 18 _stopActionOnSoundFlag = 1; _tableInstructionsPtr += 4; return 1; } break; case 'x': // 18 if (_tableInstructionsPtr[2] == 'r') { // 13 _validInstructionId = 1; _tableInstructionsPtr += 4; return 0; } if (_tableInstructionsPtr[2] == 'm') { // 9 _validInstructionId = 0; _tableInstructionsPtr += 4; return 0; } break; } warning("Instruction not recognised %c%c%c", _tableInstructionsPtr[0], _tableInstructionsPtr[1], _tableInstructionsPtr[2]); return 2; } void TuckerEngine::moveUpInventoryObjects() { if (_inventoryObjectsOffset + 6 < _inventoryObjectsCount) { _inventoryObjectsOffset += 3; _forceRedrawPanelItems = 1; } } void TuckerEngine::moveDownInventoryObjects() { if (_inventoryObjectsOffset > 2) { _inventoryObjectsOffset -= 3; _forceRedrawPanelItems = 1; } } void TuckerEngine::setActionVerbUnderCursor() { if (_mousePosY < 150) { _actionVerb = 0; } else if (_mousePosX > 195) { _actionVerb = 1; } else if (_panelNum == 0) { _actionVerb = ((_mousePosY - 150) / 17) * 3 + (_mousePosX / 67); } else { _actionVerb = 0; if (_mousePosX < 30) { _actionVerb = 7; } else if (_mousePosX > 130 && _mousePosX < 165) { _actionVerb = 5; } else { if (_mousePosY < 175) { if (_mousePosX < 67) { _actionVerb = 3; } else if (_mousePosX > 164) { _actionVerb = 6; } else if (_mousePosX > 99) { _actionVerb = 4; } } else { if (_mousePosX < 85) { _actionVerb = 1; } else if (_mousePosX > 165) { _actionVerb = 2; } else { _actionVerb = 8; } } } } } int TuckerEngine::getObjectUnderCursor() { if (_mousePosY > 140) { return -1; } for (int i = 0; i < _locationObjectsCount; ++i) { if (_mousePosX + _scrollOffset + 1 <= _locationObjectsTable[i].xPos) { continue; } if (_mousePosX + _scrollOffset >= _locationObjectsTable[i].xPos + _locationObjectsTable[i].xSize) { continue; } if (_mousePosY <= _locationObjectsTable[i].yPos) { continue; } if (_mousePosY >= _locationObjectsTable[i].yPos + _locationObjectsTable[i].ySize) { continue; } _selectedObjectType = 0; _selectedCharacterNum = i; setCursorNum(_locationObjectsTable[i].cursorNum); return i; } return -1; } void TuckerEngine::setSelectedObjectKey() { const int x = _mousePosX + _scrollOffset; if (_mousePosY > 139 && _nextAction == 0) { return; } _panelLockedFlag = 1; _locationMaskCounter = 0; _actionRequiresTwoObjects = false; _selectedObject.yPos = 0; _selectedObject.locationObject_locationNum = 0; _pendingActionIndex = 0; if (_selectedObjectType == 0) { if (_selectedObjectNum == 0) { _selectedObject.xPos = x; _selectedObject.yPos = _mousePosY; } else { _selectedObject.xPos = _locationObjectsTable[_selectedCharacterNum].standX; _selectedObject.yPos = _locationObjectsTable[_selectedCharacterNum].standY; if (_actionVerb == 0 || _actionVerb == 8) { _selectedObject.locationObject_locationNum = _locationObjectsTable[_selectedCharacterNum].locationNum; _selectedObject.locationObject_toX = _locationObjectsTable[_selectedCharacterNum].toX; _selectedObject.locationObject_toY = _locationObjectsTable[_selectedCharacterNum].toY; _selectedObject.locationObject_toX2 = _locationObjectsTable[_selectedCharacterNum].toX2; _selectedObject.locationObject_toY2 = _locationObjectsTable[_selectedCharacterNum].toY2; _selectedObject.locationObject_toWalkX2 = _locationObjectsTable[_selectedCharacterNum].toWalkX2; _selectedObject.locationObject_toWalkY2 = _locationObjectsTable[_selectedCharacterNum].toWalkY2; } } } else { switch (_selectedObjectType) { case 1: _selectedObject.xPos = _locationAnimationsTable[_selectedCharacterNum].standX; _selectedObject.yPos = _locationAnimationsTable[_selectedCharacterNum].standY; break; case 2: _selectedObject.xPos = _charPosTable[_selectedCharacterNum].xWalkTo; _selectedObject.yPos = _charPosTable[_selectedCharacterNum].yWalkTo; break; case 3: _selectedObject.xPos = _xPosCurrent; _selectedObject.yPos = _yPosCurrent; break; } } if (_selectedObject.yPos == 0) { _selectedObject.xPos = x; _selectedObject.yPos = _mousePosY; } _selectedObjectLocationMask = testLocationMask(_selectedObject.xPos, _selectedObject.yPos); if (_selectedObjectLocationMask == 0 && _objectKeysLocationTable[_locationNum] == 1) { if (_selectedObject.yPos < _objectKeysPosYTable[_locationNum]) { while (_selectedObjectLocationMask == 0 && _selectedObject.yPos < _objectKeysPosYTable[_locationNum]) { ++_selectedObject.yPos; _selectedObjectLocationMask = testLocationMask(_selectedObject.xPos, _selectedObject.yPos); } } else { while (_selectedObjectLocationMask == 0 && _selectedObject.yPos < _objectKeysPosYTable[_locationNum]) { --_selectedObject.yPos; _selectedObjectLocationMask = testLocationMask(_selectedObject.xPos, _selectedObject.yPos); } } } if (_selectedObjectLocationMask == 1) { _selectedObjectLocationMask = testLocationMaskArea(_xPosCurrent, _yPosCurrent, _selectedObject.xPos, _selectedObject.yPos); if (_selectedObjectLocationMask == 1 && _objectKeysPosXTable[_locationNum] > 0) { _selectedObject.xDefaultPos = _selectedObject.xPos; _selectedObject.yDefaultPos = _selectedObject.yPos; _selectedObject.xPos = _objectKeysPosXTable[_locationNum]; _selectedObject.yPos = _objectKeysPosYTable[_locationNum]; if (_objectKeysLocationTable[_locationNum] == 1) { _selectedObject.xPos = _selectedObject.xDefaultPos; } } } } void TuckerEngine::setCharacterAnimation(int count, int spr) { _spritesTable[spr].animationFrame = 0; _spritesTable[spr].stateIndex = 0; for (int i = 0; i < count; ++i) { while (_characterStateTable[_spritesTable[spr].stateIndex] != 99) { ++_spritesTable[spr].stateIndex; } ++_spritesTable[spr].stateIndex; } _spritesTable[spr].state = _characterStateTable[_spritesTable[spr].stateIndex]; ++_spritesTable[spr].stateIndex; _spritesTable[spr].animationFrame = _characterStateTable[_spritesTable[spr].stateIndex]; ++_spritesTable[spr].stateIndex; _spritesTable[spr].animationData = _sprC02Table[_spritesTable[spr].state]; _spritesTable[spr].firstFrame = READ_LE_UINT16(_spritesTable[spr].animationData); } int TuckerEngine::testLocationMaskArea(int xBase, int yBase, int xPos, int yPos) { while (true) { bool loop = false; if (yBase > yPos) { if (testLocationMask(xBase, yBase - 1) == 1) { --yBase; loop = true; } } else if (yBase < yPos) { if (testLocationMask(xBase, yBase + 1) == 1) { ++yBase; loop = true; } } if (xBase > xPos) { if (testLocationMask(xBase - 1, yBase) == 1) { --xBase; loop = true; } } else if (xBase < xPos) { if (testLocationMask(xBase + 1, yBase) == 1) { ++xBase; loop = true; } } if (xBase == xPos && yBase == yPos) { return 0; } if (!loop) { break; } } return 1; } void TuckerEngine::handleMouseClickOnInventoryObject() { if (_panelState != 0) { return; } if (_mousePosY < 150 || _mousePosX < 212) { return; } int pos = ((_mousePosY - 150) / 25) * 3 + (_mousePosX - 212) / 36; int obj = _inventoryObjectsOffset + pos; if (_inventoryObjectsCount - 1 < obj) { return; } _selectedObjectNum = _inventoryObjectsList[obj]; _selectedObjectType = 3; switch (_selectedObjectNum) { case 30: if (_skipPanelObjectUnderCursor == 1 && _leftMouseButtonPressed) { _selectedObjectType = 0; _selectedObjectNum = 0; _actionVerb = 0; _skipPanelObjectUnderCursor = 0; _forceRedrawPanelItems = 1; _panelState = 2; setCursorType(1); } break; case 1: if (_actionVerb == 8 && _leftMouseButtonPressed) { if (_mapSequenceFlagsLocationTable[_locationNum - 1] == 1) { handleMapSequence(); } else { _actionPosX = _xPosCurrent; _actionPosY = _yPosCurrent - 64; _actionTextColor = 1; _actionCharacterNum = 99; setCursorType(2); _charSpeechSoundCounter = kDefaultCharSpeechSoundCounter; _updateCharPositionNewType = 0; _speechSoundNum = 2235; startSpeechSound(_speechSoundNum, _speechVolume); _characterSpeechDataPtr = _ptTextBuf + getPositionForLine(_speechSoundNum, _ptTextBuf); _speechSoundNum = 0; _actionVerb = 0; _selectedObjectType = 0; _selectedObjectNum = 0; _skipPanelObjectUnderCursor = 0; } } break; } } int TuckerEngine::setCharacterUnderCursor() { if (_mousePosY > 140) { return -1; } for (int i = 0; i < _charPosCount; ++i) { if (_mousePosX + _scrollOffset <= _charPosTable[i].xPos) { continue; } if (_mousePosX + _scrollOffset >= _charPosTable[i].xPos + _charPosTable[i].xSize) { continue; } if (_mousePosY <= _charPosTable[i].yPos) { continue; } if (_mousePosY >= _charPosTable[i].yPos + _charPosTable[i].ySize) { continue; } if (_charPosTable[i].flagNum == 0 || _flagsTable[_charPosTable[i].flagNum] == _charPosTable[i].flagValue) { _selectedObjectType = 2; _selectedCharacterDirection = _charPosTable[i].direction; _selectedCharacterNum = i; return _charPosTable[i].name; } } return -1; } int TuckerEngine::setLocationAnimationUnderCursor() { if (_mousePosY > 140) { return -1; } for (int i = _locationAnimationsCount - 1; i >= 0; --i) { if (_locationAnimationsTable[i].drawFlag == 0) { continue; } int num = _locationAnimationsTable[i].graphicNum; if (_mousePosX + _scrollOffset + 1 <= _dataTable[num].xDest) { continue; } if (_mousePosX + _scrollOffset >= _dataTable[num].xDest + _dataTable[num].xSize) { continue; } if (_mousePosY <= _dataTable[num].yDest) { continue; } if (_mousePosY >= _dataTable[num].yDest + _dataTable[num].ySize) { continue; } if (_locationAnimationsTable[i].selectable == 0) { return -1; } _selectedObjectType = 1; _selectedCharacterNum = i; _selectedCharacter2Num = i; return _locationAnimationsTable[i].selectable; } return -1; } void TuckerEngine::setActionForInventoryObject() { if (_actionVerb == 0 || _actionVerb == 2 || _actionVerb == 6 || _actionVerb == 7) { playSpeechForAction(_actionVerb); _skipPanelObjectUnderCursor = 0; _actionRequiresTwoObjects = false; return; } if (_actionVerb == 3 || _actionVerb == 4) { if (!(_partNum == 2 && _selectedObjectNum == 19) && !(_partNum == 3 && _selectedObjectNum == 42)) { playSpeechForAction(_actionVerb); _skipPanelObjectUnderCursor = 0; _actionRequiresTwoObjects = false; return; } } _currentActionObj1Num = _actionObj1Num; _currentInfoString1SourceType = _actionObj1Type; _currentActionObj2Num = _actionObj2Num; _currentInfoString2SourceType = _actionObj2Type; if (_actionVerb == 1 && _selectedObjectType == 3) { if (_panelLockedFlag == 1) { if (_locationMaskType != 0) { return; } _panelLockedFlag = 0; } if (handleSpecialObjectSelectionSequence() == 1) { return; } _speechSoundNum = _actionObj1Num + _speechSoundBaseNum; startSpeechSound(_speechSoundNum, _speechVolume); _characterSpeechDataPtr = _ptTextBuf + getPositionForLine(_speechSoundNum, _ptTextBuf); _speechSoundNum = 0; _actionPosX = _xPosCurrent; _actionPosY = _yPosCurrent - 64; _actionTextColor = 1; _actionCharacterNum = 99; setCursorType(2); _charSpeechSoundCounter = kDefaultCharSpeechSoundCounter; _skipPanelObjectUnderCursor = 0; _actionRequiresTwoObjects = false; return; } if ((_partNum == 3 && (_actionObj1Num == 6 || _actionObj1Num == 3 || _actionObj1Num == 17)) || (_partNum == 2 && _actionObj1Num == 19) || (_partNum == 3 && (_actionObj1Num == 42 && _selectedObjectNum == 18)) ) { _skipPanelObjectUnderCursor = 0; _actionRequiresTwoObjects = false; _locationMaskCounter = 1; setActionState(); return; } if (!_actionRequiresTwoObjects) { _actionRequiresTwoObjects = true; } else { _skipPanelObjectUnderCursor = 0; _actionRequiresTwoObjects = false; _locationMaskCounter = 1; setActionState(); } } void TuckerEngine::setActionState() { _updateCharPositionNewType = (_actionVerb == 0) ? 8 : _actionVerb; _currentActionObj1Num = _actionObj1Num; _currentInfoString1SourceType = _actionObj1Type; _currentActionObj2Num = _actionObj2Num; _currentInfoString2SourceType = _actionObj2Type; _actionRequiresTwoObjects = false; if (_selectedObjectType < 3) { setSelectedObjectKey(); } } void TuckerEngine::playSpeechForAction(int i) { static const int speechActionTable[] = { 0, 2235, 2235, 2251, 2261, 2276, 2294, 2312, 2235 }; static const int maxCounterTable[] = { 0, 1, 13, 7, 12, 15, 15, 15, 14 }; ++_speechActionCounterTable[i]; if (_speechActionCounterTable[i] > maxCounterTable[i]) { _speechActionCounterTable[i] = 0; } if (speechActionTable[i] >= 2000) { if (_updateCharPositionNewType == 8 && _currentActionObj1Num == 6 && _currentInfoString1SourceType == 3) { _speechSoundNum = 2395; } else { _speechSoundNum = _speechActionCounterTable[i] + speechActionTable[i]; } startSpeechSound(_speechSoundNum, _speechVolume); _characterSpeechDataPtr = _ptTextBuf + getPositionForLine(_speechSoundNum, _ptTextBuf); _speechSoundNum = 0; _actionPosX = _xPosCurrent; _actionPosY = _yPosCurrent - 64; _actionTextColor = 1; _actionCharacterNum = 99; setCursorType(2); _charSpeechSoundCounter = kDefaultCharSpeechSoundCounter; } } void TuckerEngine::drawSpeechText(int xStart, int y, const uint8 *dataPtr, int num, int color) { int x = (xStart - _scrollOffset) * 2; int offset = (_scrollOffset + 320 - xStart) * 2; if (_conversationOptionsCount > 0) { x = 304; } else { if (x > offset) { x = offset; } if (x > 180) { x = 180; } else if (x < 150) { x = 150; } } int count = 0; int flag = 0; struct { int w, count, offset; } lines[5]; lines[0].offset = getPositionForLine(num, dataPtr); while (flag == 0 && count < 4) { int lineCharsCount, lineWidth; flag = splitSpeechTextLines(dataPtr, lines[count].offset, x, lineCharsCount, lineWidth); lines[count].w = lineWidth; lines[count].count = lineCharsCount; lines[count + 1].offset = lines[count].offset + lineCharsCount + 1; ++count; } if (count * 10 > y) { y = count * 10; } for (int i = 0; i < count; ++i) { int dstOffset = xStart - lines[i].w / 2; if (dstOffset < _scrollOffset) { dstOffset = _scrollOffset; } else if (dstOffset > _scrollOffset + 320 - lines[i].w) { dstOffset = _scrollOffset + 320 - lines[i].w; } if (_conversationOptionsCount != 0) { dstOffset = xStart + _scrollOffset; dstOffset += (i * 10 + y) * 640; _panelItemWidth = count; } else { dstOffset += (y - (count - i) * 10) * 640; } drawSpeechTextLine(dataPtr, lines[i].offset, lines[i].count, dstOffset, color); } } int TuckerEngine::splitSpeechTextLines(const uint8 *dataPtr, int pos, int x, int &lineCharsCount, int &lineWidth) { int count = 0; int w = 0; lineCharsCount = 0; lineWidth = 0; while (x + 1 > w && dataPtr[pos] != '\n' && dataPtr[pos] != '\r') { if (dataPtr[pos] == ' ') { lineCharsCount = count; lineWidth = w; } w += _charWidthTable[dataPtr[pos]]; ++count; ++pos; } int ret = 0; if (x + 1 > w) { lineCharsCount = count; lineWidth = w; ret = 1; } return ret; } void TuckerEngine::drawSpeechTextLine(const uint8 *dataPtr, int pos, int count, int dstOffset, uint8 color) { int startOffset = dstOffset; while (count > 0 && dataPtr[pos] != '\n') { Graphics::drawStringChar(_locationBackgroundGfxBuf + dstOffset, dataPtr[pos], 640, color, _charsetGfxBuf); dstOffset += _charWidthTable[dataPtr[pos]]; ++pos; --count; } addDirtyRect(startOffset % 640, startOffset / 640, (dstOffset - startOffset) % 640, Graphics::_charset.charH); } void TuckerEngine::redrawScreen(int offset) { debug(3, "redrawScreen() _fullRedrawCounter %d offset %d _dirtyRectsCount %d", _fullRedrawCounter, offset, _dirtyRectsCount); assert(offset <= kScreenWidth); if (_fullRedrawCounter > 0) { --_fullRedrawCounter; _system->copyRectToScreen(_locationBackgroundGfxBuf + offset, kScreenPitch, 0, 0, kScreenWidth, kScreenHeight); } else { const int xClip = offset % kScreenPitch; const int yClip = offset / kScreenPitch; Common::Rect clipRect(xClip, yClip, xClip + kScreenWidth, yClip + kScreenHeight); for (int i = 0; i < _dirtyRectsPrevCount; ++i) { redrawScreenRect(clipRect, _dirtyRectsTable[1][i]); } for (int i = 0; i < _dirtyRectsCount; ++i) { redrawScreenRect(clipRect, _dirtyRectsTable[0][i]); } _dirtyRectsPrevCount = _dirtyRectsCount; for (int i = 0; i < _dirtyRectsCount; ++i) { _dirtyRectsTable[1][i] = _dirtyRectsTable[0][i]; } } _dirtyRectsCount = 0; _system->updateScreen(); } void TuckerEngine::redrawScreenRect(const Common::Rect &clip, const Common::Rect &dirty) { if (dirty.intersects(clip)) { Common::Rect r(dirty); r.clip(clip); const uint8 *src = _locationBackgroundGfxBuf + r.top * 640 + r.left; r.translate(-clip.left, -clip.top); _system->copyRectToScreen(src, 640, r.left, r.top, r.right - r.left, r.bottom - r.top); } } void TuckerEngine::addDirtyRect(int x, int y, int w, int h) { if (_dirtyRectsCount >= kMaxDirtyRects) { _fullRedrawCounter = 2; _dirtyRectsCount = 0; } else { _dirtyRectsTable[0][_dirtyRectsCount] = Common::Rect(x, y, x + w, y + h); ++_dirtyRectsCount; } } } // namespace Tucker